Acute pancreatitis?

36. A 40-year-old alcoholic male is admitted with severe epigastric pain radiating to the back. Serum amylase level is reported as normal (fluoroscopic method), but serum lipase is elevated. The serum is noted to be milky in appearance. A diagnosis of pancreatitis is made. The serum amylase is normal because: A. The patient has chronic renal failure B. The patient has hyperlipidemia C. The patient has alcoholic cirrhosis D. The patient has alcoholic hepatitis E. The diagnosis of pancreatitis is incorrect