Introduction to the Immune System: Cells and Tissues
Q: Which of the following is a key function of the lymphatic system?
Did You Know?
After curative surgery (prostatectomy), PSA should become undetectable because the tissue producing it is removed. A subsequent and consistent rise in PSA, known as 'biochemical recurrence,' is a sensitive indicator that prostate cancer cells are present again somewhere in the body, often before any tumor is visible on scans.
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