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USMLE · Question #576
USMLE Question #576: Real Exam Question with Answer & Explanation
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Question
A 53-year-old man comes to the physician because of a 6-month history of intermittent blood in his stool. He has had no pain with defecation. Physical examination shows a 1-cm, visible anal mass located below the dentate line. A biopsy of the mass is scheduled. If the mass if found to be malignant, it is most appropriate to evaluate which of the following lymph nodes for possible metastasis?
Options
- AInternal iliac
- BPopliteal
- CSacral
- DSuperficial inguinal
- ESuperior rectal
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