title: Commentary on 'Impact of 3-dimensional endoanal ultrasound on the outcome of anal fistula surgery: a prospective cohort study'.
authors.affiliation: School of Medicine of the Federal University of Ceara, Ceara, Brazil. sregadas@hospitalsaocarlos.com.br.
authors.forename: F Sergio P
authors.initials: FS
authors.lastname: Regadas
authors.affiliation: School of Medicine of the Federal University of Ceara, Ceara, Brazil.
authors.forename: Sthela M
authors.initials: SM
authors.lastname: Murad-Regadas
mesh_terms: D001003:Anal Canal / Q000000981:diagnostic imaging*; D019160:Endosonography / Q000379:methods*; D005260:Female; D006801:Humans; D021621:Imaging, Three-Dimensional / Q000379:methods*; D008297:Male; D012003:Rectal Fistula / Q000000981:diagnostic imaging* / Q000601:surgery*