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"tumor" literally translates as "mass", so even a fresh bruise could be called a "tumor". Doctors use the term "neoplasm" (tranlates literally as new growth) to describe tumors that are abnormal growths of cells. These may be benign or malignant; "malignant" = cancer. In everyday usage, we use "tumor" ...Read more
Not necessarily: Bleeding from colon cancer can be slow & mild & not perceptible to the eye. Slow prolonged bleeding can lead to anemia. Larger colon cancers may not show more bleeding. Advanced colon cancers can lead to bowel or colon obstruction or metastatic disease spread to other organs. ...Read moreSee 1 more doctor answer
What size are colon tumours typically that are causing symptoms, such as narrow stools? Can they still be quite small?
Recently,my dad did a PET-CT scan. 4 tumours in liver, 2 are about 1.5cm and 2 less than 1.0 cm. These tumous are from his colon. What to expect?
Treatments available: Case should be discussed on a multi-specialty tumor board. Inoperable liver metastasis may be treated with chemotherapy, radiofrequency ablation, & Radioembolization (performed by Interventional Radiology). Radioembolization combined with chemo has shown to slow progression for colon cancer when disease has progressed following prior treatment with chemotherapy & metastases limited to the liver. ...Read more
Different types: A polyp is a cluster of cells usually on a stalk representing transforming cells that may convert to Ca. A colon tumor is a area of bowel with malignant cells forming a discrete mass that can spread. Originally thought all Ca's of colon arose from polyps but now found that there is a transforming field effect in bowel where certain sites become polyps, not all converting and other sites, Cancer ...Read more
No: There is no cause and effect related to colon cancer and constipation. The malignant process takes several years to develop, possibly initiated by a viral transfection of normal colonocytes. Premalignant cells progres, as a time related process. Once tumor is present, if allowed to grow at a site where stool becomes well defined, the narrowing of the bowel produces constipation. ...Read more