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The classification of abdominal wall hernias.
| Classification | Localization | Size | ||
|---|---|---|---|---|
| Primary Abdominal Wall Hernia | Midline | Epigastric | Diameter | Small: <2 cm; Medium: ≥2–4 cm; Large: ≥4 cm |
| Umbilical | ||||
| Lateral | Spigelian | |||
| Lumbar | ||||
| Incisional Abdominal Wall Hernia | Midline | Subxiphoidal | Width | W1：< 4 cm; W2: ≥4–10 cm; W3: ≥10 cm |
| Epigastric | ||||
| Umbilical | ||||
| Infraumbilical | ||||
| Suprapubic | ||||
| Lateral | Subcostal | |||
| Flank | ||||
| Iliac | ||||
| Lumbar | ||||
