Midclavicular 3A Left hypochondriac hypochondriac 腹部的分区 Epigastric SCP Right lateral Umbilical I Left lateral or lumbar (or lumbar) TTP I Hypogastric I ight inguinal Left inguinal (九分法) region region Figure 2. 4. Subdivision of the anterior abdominal wall into nine regions by using the subcostal plane(SCP), the tran-stubercular plane(TTP), and the two midclavicular lines3A. 腹 部 的 分 区 (九分法)