Once a PSA test comes back with an abnormal result, a biopsy is required to make a diagnosis.
A biopsy, in the majority of cases, reveals the blip to be benign.
In the small living room where we last met, he seemed more gaunt than wiry, his ear bandaged after a biopsy.
But he went forward with a painful biopsy, and then opted for surgery when the biopsy showed cancer.
biopsy bi·op·sy (bī'ŏp'sē)
The removal and examination of a sample of tissue from a living body for diagnostic purposes.
A specimen so obtained.