If a person has abdominal pain of an incomprehensible nature, then it is better to contact a specialized center where they treat diseases of the pancreas. Only an accurate diagnosis can reveal this disease.

Another symptom is jaundice: if the eyes are yellow, the urine is yellow, it is also necessary to urgently contact an infectious disease specialist and a surgeon.
Of course, if there is any suspicion, it is necessary to take tumor markers.

Then read the material at the link: https://www.zakon.kz/6003075-rak-podzheludochnoi-zhelezy-kak-predupredit-zabolevanie-i-gde-luchshe-vsego-lechit.html