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.
Biopsy for prostate cancer. Biopsy for prostate cancer. During a prostate biopsy, your doctor guides a small probe into the rectum and removes a small tissue sample from the prostate for further examination. This tissue allows your doctor to stage the disease and determine an appropriate treatment plan.