Which of the following is not routinely included as part of a diagnostic work-up for colorectal cancer? a. barium enema b. colonoscopy c. bone marrow biopsy d. carcinoembryonic antigen (CEA) c. bone marrow biopsy A bone marrow biopsy is not routinely performed as part of a diagnostic work-up for colorectal cancer. Barium enemas provide a clear picture of the large intestine and are useful in detection of smaller tumors. Colonoscopy provides increased visualization and the ability to biop...

Which of the following is not routinely included as part of a diagnostic work-up for colorectal cancer? a. barium enema b. colonoscopy c. bone marrow biopsy d. carcinoembryonic antigen (CEA) c. bone marrow biopsy A bone marrow biopsy is not routinely performed as part of a diagnostic work-up for colorectal cancer. Barium enemas provide a clear picture of the large intestine and are useful in detection of smaller tumors. Colonoscopy provides increased visualization and the ability to biop...