Figure 2.

Schematic drawings demonstrating the IDEA proposed anatomical definitions of deep pelvic endometriotic lesions [7]: (a) pelvis—transverse plane at the level of cervix; (b) pelvis—longitudinal plane showing bowel and bladder sections, (c) pelvis—longitudinal plane demonstrating vagina and adjacent structures. AC, anterior compartment; BB, bladder base; BD, bladder dome; LP, lateral parametria; LR, lower rectum; PC, posterior compartment; RB, retroperitoneal part of the bladder; R; rectum; RS, rectosigmoid; RVS, rectovaginal septum; S; sigmoid; TB, trigonum (bladder); U; ureter; UR, upper rectum; USL, uterosacral ligament; V; vagina.