<prompt> As per EHS classification, a primary, direct inguinal hernia with 4 cm width would bePD4PM4PD3PM3  <response>: The European Hernia Society has suggested a simplified system of classificationPrimary or recurrent P or R;Lateral, medial or femoral L, M or F;Defect size in fingerbreadths each finger is assumed to be 1.5 cm.Ex1 A primary, direct inguinal hernia with 4 cm width would be PM3Ex 2 A Recurrent, indirect, inguinal hernia with a 3-cm defect size would be RL2Ref: Bailey and love 27e pg: 1031 