You drank to physical harm. Yup. abuse is defined, by the current Federal Psychiatrist Dr. Chesanow, as "use of alcohol in a manner to create a danger". If you drank to pancreatitis you meet that defintion. Now see the 15 grounding medical conditions:
Disqualifying Conditions (pg 454 of the current AME guide).
The AME must deny or defer if the applicant has a history of: (1) Diabetes mellitus requiring hypoglycemic medication; (2) Angina pectoris; (3) Coronary heart disease (CHD) that has been treated or, if untreated, that has been symptomatic or clinically significant; (4) Myocardial infarction; (5) Cardiac valve replacement; (6) Permanent cardiac pacemaker; (7) Heart replacement; (8) Psychosis; (9) Bipolar disorder; (10) Personality disorder that is severe enough to have repeatedly manifested itself by overt acts; (11) Substance dependence; (12) Substance abuse; (13) Epilepsy; (14) Disturbance of consciousness and without satisfactory explanation of cause, and (15) Transient loss of control of nervous system function(s) without satisfactory explanation of cause.