A 34 year-old male patient presents to the primary care clin…

A 34 year-old male patient presents to the primary care clinic with a 3-month history of intermittent upper abdominal pain described as epigastric burning and gnawing pain about 2-3 hours after eating. His discomfort is waking him up in the early morning hours and interfering with sleep. He feels relief with foods and taking antacids.  He denies radiating pain, nausea, vomiting. Upon physical exam, you note tenderness to epigastrium and the LUQ. Bowel sounds are slightly hyperactive. Vital signs are stable and all other findings are benign. What is the most likely diagnosis for this patient?