Doctor insights on:
Where Does Colon Cancer Usually Metastasize First
On average how long does colon cancer take to metastasize from when it first started forming? Im just curious.
A cancer begins in an organ (say the breast). If it gets into the blood stream or the lymphatic stream the cells can travel to other parts of the body where, in the right environment, they may settle and grow. This development of tumor growth far away from the original site ...Read more
Long story and great: Deal of information. A very brief explanation-you have damage to a cell line in your colon that leads to cancerous cells, which then over grow and are non-functional cells. These cells damage and destroys surrounding tissue, and if they get into the blood stream or lymph system, and goes somewhere else (called metastasis), then those cells damage those other organs and tissues as well. ...Read more
For a stage III b colon cancer removed surgically, why the chemo should be systemic rather than regional although there are no metastasis?
Micrometastasis: The goal of adjuvant therapy is the eradication of occult micrometastatic tumor cells before metastatic disease becomes clinically evident. Undetected micrometastases can contribute to the failure of primary treatment. Adjuvant chemotherapy for stage iii colon cancer dramatically improves both relapse-free and overall survival. ...Read moreSee 1 more doctor answer
Depends: Believe it or not, it can sometimes still be cured. It depends on the disease burden in the liver. After resection, they can do adjuvant therapy and follow up with hepatic resections if it is limited. Also for palliative reasons - if it is causing an obstruction, then the obstruction needs to be relieved to allow for simple gut function. ...Read moreSee 1 more doctor answer
Low but not zero: Stage ii colon cancer means no lymph node involvement by definition, but inadequate lymph node sampling (surgical resection) may "understage" the cancer, so make sure enough ln were taken -minimum of 12! even with appropriate surgery, mets may still occur, although very unusual, so discuss with your treating docs. A pet/ct may give some reassurance so ask if this can be done. ...Read moreSee 1 more doctor answer
If 61 yr m had a -ve whole body pet+ct done for renal mets 1 yr ago, how long we can postpone colonoscopy (first time)screening for colon cancer?
Let me be: Sure i understand. She had a renal cancer removed, and that was more than a year ago, and pet showed no metastasis. She is asymptomatic and feeling well? There are advisories that colonoscopy should be done once each decade after 50. She would seem eligible for that, but there is no rush. ...Read moreSee 2 more doctor answers
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 ...Read more
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