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Doctor insights on: Cancer Definition Rectal

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What is the definition or description of: rectal cancer?

What is the definition or description of: rectal cancer?

Unregulated growth: Cancer by definition is the growth in size and number in an unregulated manner of a cell line that has developed a mutation. The mutation is passed through the offspring which accumulate more and more mutations. The defining factor is that the cells act immortal as compared to normal cells that have a programmed lifespan. In the rectum this can occur in the cells that line the mucosal surface. ...Read more

Dr. Barry Rosen
4,351 Doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


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What is the definition or description of: cancer?

What is the definition or description of: cancer?

Uncontrolled cell gr: An uncontrolled cell growth leading to invasion and metastases is what cancer is defined as. It produced abnormal growth of cells which acquire destructive properties causing serious threat to host's life, unless it can be removed or destroyed by one or another means. ...Read more

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What is the definition or description of: Male cancer?

What is the definition or description of: Male cancer?

Male cancer: Male cancer may be an expression for a malignancy that effects a portion of the male genitourinary system such as genitalia. ...Read more

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What's the definition of spinal cancer and what are the symptoms?

What's the definition of spinal cancer and what are the symptoms?

Depends on location: Spinal cancer can refer to a cancer that involves the bones (vertebral bodies) or the spinal cord itself. It it involves the bones, this is usually a metastatic cancer, meaning that it came from another source and spread here (ie. From lung, breast, prostate). These have symptoms of pain. If the cancer is in the spinal cord, it usually is of glioma type. This ofen leads to weakness or numbness. ...Read more

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What is the definition or description of: Jejunal cancer?

What is the definition or description of: Jejunal cancer?

Malig. Of mid SB: Jejunum is the largest segment of small intestine situated between duodenum and ileum. While malignancies of bowel are most commonly found in the colon, the most frequent tumors of SB were GIST (36%) followed by lymphomas (24%) and adenocarcinomas (18%). Metastasis to lumen of small bowel also found in rare situations arising from primaries of lung and malignant melanoma. ...Read more

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What is the definition or description of: Ureteral cancer?

What is the definition or description of: Ureteral cancer?

Ureteral cancer: Ureteral cancer = malignancy of tubes that propel urine from kidneys to urinary bladder. ...Read more

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What is the definition or description of: Intestinal cancer?

What is the definition or description of: Intestinal cancer?

Lesion in mucosa: Lesions of bowel, especially colon, now believed to arise in a field effect in the mucosa of the bowel, small and large. A virus such as polyoma enters the mucosa and begins tansformation first with gene alterations leading to immortality and then to normal appearing cells beginning to produce immunogenic protein. One focus transforms faster to result in a clinical lesion while others are dormant. ...Read more

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What is the definition or description of: Oral cancer?

What is the definition or description of: Oral cancer?

Oral cancer: Cancer of the oral cavity. Please, if you have concerns see Dentist immediately. ...Read more

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What is the definition or description of: Anal cancer?

What is the definition or description of: Anal cancer?

Squamous lesion: The anal canal lesion is squamous in origin. The dentate line marks the upper junction between squamous and mucosal epithelium in the anal canal.. .. Tumours near the anal margin spread to the inguinal lymph nodes; those higher in the anal canal spread to the pelvis The Anal Cancer Trial (ACT-1) demonstrated the superiority of using chemoradiation with 5-FU and mitomycin C (MMC). ...Read more

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What is the definition or description of: bladder cancer?

What is the definition or description of: bladder cancer?

Bladder: The bladder is the organ which holds urine. It may develop cancer as with any organ. There are two types: superficial bladder cancer and muscle invasive bladder cancer. The differences are important as they help to determine treatment. ...Read more

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What is the definition or description of: adrenal cancer?

What is the definition or description of: adrenal cancer?

Adrenal cancer: Adrenal cancer specifically refers to malignant adrenal tumors, which include neuroblastoma, adrenocortical carcinoma, and a minority of adrenal pheochromocytomas. Most of adrenal cancer are notable for producing endocrine hormones. ...Read more

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What is the definition or description of: ovarian cancer?

What is the definition or description of: ovarian cancer?

It is a cancer arisi: It is a cancer which arises from the ovary.
This cancer is typically silent, producing little or no symptoms till it spreads, first into the pelvic area and later into the peritoneal cavity leading to fluid accumulation (ascites) which is often the first symptom. Despite its late presentation, there is a reasonable treatment for it, with some long term survivors even in its advanced stage. ...Read more

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What is the definition or description of: cervical cancer?

What is the definition or description of: cervical cancer?

Cervical cancer: Cervical cancer is uncontrolled proliferation of abnormal cells of cervical tissue (mucosal lining cells or stroma) due to mutation. High risk HPV virus can cause cervical cancer. ...Read more

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What is the definition or description of: cancer treatment?

What is the definition or description of: cancer treatment?

Cancer treatment: Treatment for cancer usually depends on type, stage, patient's performance status, age, comorbidities. For a list of treatments please see this link: http://www. Cancer. Gov/cancertopics/treatment. ...Read more

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What is the definition or description of: fish cancer test?

What is the definition or description of: fish cancer test?

FISH: F = flourescent
i = in
s = situ
h = hybradization

a type of test often used for finding specific features in dna for use in genetic counseling, and medicine. It may be used to monitor for effects of treatment and relapse. See wikipedia for additional information. ...Read more

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What is the definition or description of: testicular cancer?

What is the definition or description of: testicular cancer?

Two types: Testicular cancer is a cancer of the testicle and may be either seminomatous or non-seminomatous in nature. ...Read more

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What is the definition or description of: Merkel cell cancer?

What is the definition or description of: Merkel cell cancer?

Cutaneous neoplasm: Merkel-cell carcinoma (MCC) is a rare and highly aggressive form of skin cancer. in most cases, is caused by the Merkel cell polyomavirus (MCV). It serves as cutaneous neuroendocrine carcinoma of the skin is mostly seen on skin of face as a pink or red nodule and metastasizes rapidly like an aggressive melanoma. It does respond fairly well to wide excision when possible followed by Radiation ...Read more

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What is the definition or description of: Gynecologic cancers?

What is the definition or description of: Gynecologic cancers?

Female reproductive: Cancer of any female genitals, or reproductive organs ...Read more

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What is the technical definition of prostate cancer?

What is the technical definition of prostate cancer?

Prostate Cancer: The prostate is an organ in a man's pelvis located between the rectum and bladder. It helps make some components of the semen. Prostate cancer is an abnormal growth of some of the cells in the prostate. These can grow in the prostate causing problems with urination, bowel movements and erections and can also spread around the body to form tumors in other places, most commonly the bones. ...Read more

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What is the definition or description of: skin cancer?

What is the definition or description of: skin cancer?

Any skin structure: Skin is the largest and one of the most complex organs in the body composed of hundreds of different structures. Nearly any of these elements can degenerate into cancer. However the three most common are: basal cell, squamous cell and melanoma which occur in that order and degree of aggressiveness. Although heredity plays a major role, sun exposure and tobacco use & occupational exposure are risks. ...Read more

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What is the definition or description of: liver cancer?

Liver Cancer: Cancer of the liver can be a primary cancer (hepatocellular cancer) & is more common in those exposed to hepatitis b or hepatitis c or cirrhosis from other causes. It can also be a secondary cancer, spread from another site such as colon, stomach, lung, etc. Some liver cancers are treated with surgery & some with chemotherapy, radiofrequency ablation, intrarterial injection, etc. ...Read more

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What is the definition or description of: colon cancer?

Colon is the: Final few yards of your intestine, between the terminal ileum (small bowell) and rectum. It squeezes water and solidifies waste to stool. It is subject to outpouching (divertics) polyps, and these can become cancers. The cells are abnormal, invade into the muscle and travel to nodes or organs. ...Read more

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What is the definition or description of: tongue cancer?

What is the definition or description of: tongue cancer?

Malignancy of tongue: A malignancy of the tongue is know as tongue cancer. There are several possible types of tongue cnacer based on the cells that they are derived from. ...Read more

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