A 51-year-old man with 30-year history of heavy alcohol use presents with recurrent epigastric pain, chronic diarrhea, and 10-kg weight loss over 6 months. Vital signs: BP 128/82, HR 92, RR 16, Temp 37°C, SpO2 98%. He recently started insulin for new-onset diabetes. CT abdomen reveals pancreatic calcifications and atrophy. Serum albumin is 3.1 g/dL. He denies jaundice or abdominal distension. Which diagnosis best explains his clinical presentation?

1. A)Crohn disease
2. B)Chronic pancreatitisGABARITO
3. C)Acute pancreatitis
4. D)Peptic ulcer disease
5. E)Pancreatic adenocarcinoma