Harry was admitted for a colonoscopy to obtain a biopsy of r…
Harry was admitted for a colonoscopy to obtain a biopsy of rectal tissue. The results of the biopsy determined a malignant neoplasm of colon with rectum. Principal Diagnosis: Principal Procedure: Hint: the colonoscopy was ‘how’ they were able to see the rectal tissue; during the colonoscopy, a ‘piece’ of the rectum was excised for biopsy