A 54-year-old man comes to a hospital with abdominal pain, jaundice, loss of appetite, and weight loss. On examination of his radiograms and CT scans, a physician finds a slowly growing tumor in the uncinate process of the pancreas. Which of the following structures is most likely compressed by this tumor: (A) Splenic aery, (B) Poal vein, (C) Superior mesenteric aery, (D) Superior pancreaticoduodenal aery
Answer is C. Tumour of uncinated process of pancreas leads to pressure onSuperior mesenteric aerywhich passes below it.