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| Q. |
Which of the following statements about unknown primary head and neck tumors is true? |
| A. | PET imaging is able to detect the primary tumor in 60% of cases. |
| B. | Random biopsies will reveal the primary lesion in 40% of cases. |
| C. | Chest imaging will reveal a primary lung tumor in 20% of cases. |
| D. | Tonsillectomy may reveal the occult primary tumor in 20% of cases. |
| Answer» D. Tonsillectomy may reveal the occult primary tumor in 20% of cases. | |
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