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. A prostate gland biopsy is the term given to a rather common test necessary to obtain little bits of prostate tissue, which can aid diagnosis by further examination. It is most commonly used to check for the presence of cancer in prostate gland lumps.