For inguinal, femoral, umbilical, and incisional hernias, symptoms could include:
An obvious swelling beneath the skin of the abdomen or the groin; it may disappear when you lie down and may be tender.
A heavy feeling in the abdomen that is sometimes accompanied by constipation or blood in the stool
Discomfort in the abdomen or groin when lifting or bending over
Symptoms for a hiatal hernia may include heartburn and upper abdominal pain.