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.
Should I have a prostate biopsy? Iâm 70 and have a PSA which was at 4.6 when I was 66, and while it has been regularly monitored over the past 18 months or so has been moving up and down between 6 and 7.