Pancreatitis, or inflammation of the pancreas, can cause severe abdominal pain, nausea, and vomiting. It can be chronic, in which case it develops slowly over time, or acute, when it develops suddenly and lasts a short time.
Endocrine tumors form when abnormal cells in an endocrine gland or organ grow and multiply in an uncontrolled manner.
A type of cancer that starts in the liver and can cause stomach pain and swelling and jaundice.
Since breast cancer is far more prevalent in women than men, it's important for men to know the symptoms in order to get diagnosed at an early stage.