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.
Prostate biopsy. If certain symptoms or the results of early detection tests â a PSA blood test and/or DRE â suggest that you might have prostate cancer, your doctor will do a prostate biopsy to find out. A biopsy is a procedure in which a sample of body tissue is removed and then looked at under a microscope.till, a level below 4 does not guarantee that a man doesnât have cancer â about 15% of men with a PSA below 4 will have prostate cancer on a biopsy. Men with a PSA level between 4 and 10 have about a 1 in 4 chance of having prostate cancer. If the PSA is more than 10, the chance of having prostate cancer is over 50%.