High Subcortical Sacral Resection {Hiss] for Locally Advanced & Recurrent Rectal Cancer Extending onto L5/S1/2. Issue 2 (February 2020) - Pring, Edward; Gould, Laura; Fletcher, Jordan; Claire, Taylor; Hona, Therese; Corr, Alison; Burling, David; Holloway, Ian; Aston, Will; Antoniou, Anthony