A 52-year-old man from Delhi presents with sudden-onset epigastric pain radiating to the back, accompanied by nausea and vomiting. He has a 15-year history of alcohol abuse. On examination, he is febrile (38.5°C) and has epigastric tenderness. Serum amylase is 850 U/L (normal <100) and lipase is 1200 U/L. Ultrasound abdomen shows pancreatic edema. The patient is managed conservatively with IV fluids and NPO status. On day 3, his pain persists and he develops steatorrhea. Which of the following best explains the steatorrhea in this patient?