title: Endoanal ultrasound for anal cancer follow up.
authors.forename: Jacopo
authors.initials: J
authors.lastname: Martellucci
mesh_terms: D001003:Anal Canal / Q000000981:diagnostic imaging* / Q000473:pathology*; D001005:Anus Neoplasms / Q000000981:diagnostic imaging* / Q000628:therapy; D001706:Biopsy; D005500:Follow-Up Studies; D006801:Humans; D018608:Ultrasonography, Doppler