Atrophy means you are not using the muscle so it "atrophies." (Becomes weaker) Only a doctor could answer this one. I am sorry.
I did cancer tests for many years, and I am not familiar with any specific association of pancreatic atrophy leading to pancreatic ca.
Pancreatic atrophy is more common in old age, also diabetes, and chronic pancreatitis. The physician has probably discussed with you what may have led to the atrophy?