Removal of tissue and microscopically examining it to determine if cancer is present is a

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Biopsy is the process of removing a sample of tissue from the body to examine it under a microscope to determine if cancer cells are present. Endoscopy and colonoscopy are procedures that allow the visualization of internal organs, but they do not involve the removal of tissue for examination. PSA test is a blood test that measures the level of prostate-specific antigen and is used to screen for prostate cancer, but it is not a biopsy.

Removal of Tissue and Microscopically Examining It to Determine If