Iam 81 Lead A Fairly Active Life Apart From Severe

Iam 81 lead a fairly active life apart from severe lower back pain have been in good health but over the past 4 months have experienced persistent stomach pain and have lost one and a half stone in weight and felt nausea on varios occasions have had various hospital scans all were negative apart from last Ct scan which showed that I had an atopic pancreas, iam not a heavy alcohol drinker