Endoanal ultrasound image (3D) of levator ani complex

3D: three-dimensional; A: anterior; B: bladder; C: cephalad; EAS: external anal sphincter; IAS: internal anal sphincter; LP: levator plate; P: posterior; PS: pubic symphysis; R: right; T: transducer; U: urethra; V: vagina; S: sling.