Melanoma: The most dangerous form of skin cancer, a malignancy of the melanocyte, the cell that produces pigment in the skin.
Statistically, the probability of having a prostate cancer present with a PSA of between 4 and 10 is around 22 per cent. Once the PSA level rises above 10, the probability goes up to the order of 64 per cent.
1 Have a physical exam every 1 - 5 years. 2  With each exam, you should have your height and weight checked. 3  Other routine diagnostic tests are not recommended. 4  Men should have a yearly rectal exam to check for colorectal cancer and prostate cancer after the age of 50.