An incisional hernia occurs when tissue pushes through a scar in the abdominal wall after previous surgery. Common symptoms include: Palpable bulge under the scarA soft swelling that becomes more obvious when standing, coughing, or straining and may disappear when lying down. Aching or dragging painDiscomfort often increases toward the end of the day, after lifting, or during prolonged standing. Feeling of heaviness or pressurePatients report a weight in the abdomen that is relieved by rest or gentle manual pressure on the lump. Reducible massThe hernia can usually be pushed back into the abdomen with gentle pressure; it re-protrudes with... Learn more