A 60-year-old man is diagnosed with a posterior abdominal wall tumor that is causing lesions in the superior mesenteric plexus. Which of the following pathways is most likely affected?
(A) Parasympathetic supply to the posterior aspect of the
stomach
(B) Sympathetic supply to the ascending colon
(C) Lymph drainage from the liver
(D) Venous drainage from the transverse colon
(E) Visceral afferents from the proximal duodenum
Ans: (B) Sympathetic supply to the ascending colon
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