A 68-Year-Old Woman Is Evaluated After Recurrent Episodes of Bright

A 68-year-old woman is evaluated after recurrent episodes of bright red blood per rectum.  She has had no abdominal pain, nausea, vomiting, or hematemesis.  Her medical conditions include hypertension and obesity.  She is a smoker, has a sedentary lifestyle, and consumes processed food and red meat frequently.  Abdominal examination shows no abnormalities.  Colonoscopy reveals numerous mucosal outpouchings in the sigmoid colon, and sigmoid colectomy is performed.  Histopathology of this patient's colonic lesions is most likely to reveal which of the following findings?

A) Absence of muscularis propria
B) Ectopic gastric mucosa
C) Neoplastic mucosal growth
D) Neural plexus lacking ganglion cells
E) Normal colonic layers

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