Abdominal surgery incisions, illustration. 1. Kocher's incision (liver and gall bladder surgery); 2. Short midline incision; 3. Longer midline incision; 4. Lateral thoracolumbar incision (for renal surgery on the kidneys); 5. Lanz or McBurney incision (for appendectomies); 6. Umbilical incision; 7. Left paramedian incision (for colectomy); 8. Pfannenstiel incision (for bladder and prostate surgery); 9. Groin incision (inguinal).