Colon cancer is also called colorectal cancer as it starts in the colon (large intestine) or the rectum (end of colon) .There are other types of colon cancer as well, such as carcinoid tumors,lymphoma,melanoma and sarcomas, which are rare.In the following article only colon carcinoma is described and not any one of these rare types of colon cancer. Read more »

Kidney cancer is not infectious and it cannot be passed on to other persons. Usually only one kidney is affected in this regard and it is rare for both kidneys to be affected by cancer. In adults, renal cell carcinoma is most common. It begins in the cells that line the small tubes within the kidneys. Read more »