Technique of Total Mesorectal Excision
2 results
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Malignancy- A 55-year-old woman undergoes a sigmoid colectomy for microsatellite-stable sigmoid colon cancer. The final pathology demonstrates a 4-cm moderately differentiated adenocarcinoma with 2 cm proximal and distal margins negative for residual disease. A total of 12 lymph nodes were identified in the specimen, none of which were positive for adenocarcinoma. Which of the following is true regarding the quality of her resection?
- A 60-year-old man presents with a low rectal lesion about 7 cm proximal to the dentate line posteriorly measuring 2.5 cm in size. Biopsy during a complete colonoscopy reveals a low-grade neuroendocrine (carcinoid) tumor. The patient has no systemic symptoms and computed tomography of the chest, abdomen, and pelvis shows no metastatic disease. What is the best treatment choice?