A hernia occurs when an organ or tissue forces itself out through a weakened area, mostly through the abdomen or the groin. A hernia can be external or internal. It can be diagnosed on the basis of symptoms, medical history, physical examination, imaging tests, blood tests, etc. External hernias are often discovered during a physical examination at the doctor’s office, as they create a bulge that is noticeable or palpable in certain cases.  If your doctor thinks you have an inguinal