RT Book, Section A1 Ahern, Gerard A1 Brygel, Maurice SR Print(0) ID 1167658488 T1 Anorectal T2 Exploring Essential Surgery YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 9781264269587 LK accesssurgery.mhmedical.com/content.aspx?aid=1167658488 RD 2024/04/19 AB The perianal, anal and rectal regions lend themselves to early clinical diagnosis without the need to resort to complex investigations.