I had a distal pancreatectomy last July for a cyst, and pathology found a adenocarcinoma. So I am stage 1b pancreatic cancer. Had four chemo sessions to date, and fatigue has been the most consistent side effect. However, I feel less and less fatigued in the week before the next treatment. I am 66, and I exercised moderately before the disease, and I think that helped so far in tolerating the Folferinox to a degree. But, right after treatment, there's lots of side effects for days until I start to recover some more.