Selection Criteria for the Radical Treatment of Locally Advanced Rectal Cancer

Table 1

Classification of anatomical location of pelvic tumour.

Moore et al. [29]	Axial (perineal location; anastomotic recurrence)
	Anterior (urological/gynaecological organ involvement)
	Posterior (sacrum/coccyx involvement)
	Lateral (pelvic sidewalls)
Yamada et al. [39]	Localized (adjacent pelvic organs or connective tissue)
	Sacral (S3–5, coccyx, or periosteum)
	Lateral (lateral pelvic wall, S1 or 2, sciatic nerve, or greater sciatic foramen)
Royal Marsden	Central
	Posterior/sacral
	Lateral
	Inferior/perineal
	Anterior
	supraperitoneal
	at peritoneum
	infraperitoneal