Problem: A 62-year-old woman with a history of hypothyroidism and osteoarthritis presents to the emergency department after 1 hour of hematemesis. She is afebrile, HR is 102 bpm, RR is 18/minute, BP is 117/58 mm Hg, and SpO2 is 98% on room air. Her serum hemoglobin is 12 g/dL. A computed tomography with contrast of the chest, abdomen, and pelvis reveals an occlusive splenic vein thrombosis with esophageal varices. There is no evidence of cirrhosis. Which of the following vessel(s) is most likely responsible for her varices? Need Assignment Help? A. Azygos vein B. Inferior mesenteric vein C. Portal vein D. Short gastric veins