PSA Decline Greater than or Equal to 70 Percent

**Semantic type:** Laboratory or Test Result

**Definition:** A finding indicating that the blood concentration of prostate specific antigen in a subject's sample has decreased by at least 70 percent compared to the value recorded for a previous sample from that subject.

**Synonyms:** - PSA Decline 70 Percent or Greater - PSA Decline 70 Percent or More - PSA Decline Greater than or Equal to Seventy Percent - PSA Decrease 70 Percent or More - PSA Decreased 70 Percent or More - PSA Decreased Greater than or Equal to 70 Percent