SEP 2, doctors and their practices: the urologist

Authors' Note:  

PSA: prostate specific antigen, a widely used blood test to screen for prostate cancer and to monitor the result of treatment  

  

 Considerably more complex than blood tests, a biopsy obtains samples of the relevant tissue, and is used by the pathologist to make a specific determination as to the presence, type, and severity of disease. 

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