Yes....: Yes. Psa, over time since its discovery in 1970, has been disproved to be prostate-specific; in fact, it has been detected in normal and abnormal tissues of female breasts, amniotic fluid, female blood with fluctuating level through menstrual cycle. Psa-positive breast cancer has its better survival than that of psa-nagative one.
Answered 4/28/2021
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2 doctors weighed in across 2 answers
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