A 52-year-old male presents to the emergency department with hematemesis and severe upper abdominal pain. He has a history of alcohol use disorder and was recently diagnosed with cirrhosis. On examination, he is hypotensive (BP: 90/60 mmHg) and tachycardic (HR: 110 bpm). Endoscopy reveals actively bleeding esophageal varices. Interventional radiology is consulted for embolization. Which of the following vessels is most likely involved in the blood supply contributing to the esophageal varices in this patient?
