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2863 Pathology

A 53-year-old woman has noticed increasing malaise. On physical examination, there are no abnormal findings, but a stool guaiac test is positive. Her hemoglobin level is 7.9 g/dL. A colonoscopy is performed, and a 3-cm sessile mass is found in the cecum. A biopsy specimen of the mass shows a moderately differentiated adenocarcinoma confined to the mucosa. An abdominal CT scan shows no lymphadenopathy or hepatic lesions. Given this information, which of the following is the best course of action?

AAdminister a multiagent chemotherapeutic regimen
BObserve the lesion for further increase in size
CRemove the entire colon to prevent a recurrence
DResect the tumor and some normal surrounding tissue
Pathology
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