Table 1.
Anatomic subsites included in CTV or resection volume for cT1-3bN0 rectal cancer.
| TME resection | Valentini [19] | STAR-TREC | Socha [27] | |
|---|---|---|---|---|
| Mesorectum | + | + | +, <S2-3 | +, <S2-3 |
| Presacral Nodes, pelvic | – | + | +, <S2-3 | +, <S2-3 |
| LLN post. = internal iliac LN | – | + | – | +, If < peritoneal fold |
| LLN ant. = obturator LN | – | – | – | +, If < peritoneal fold |
| Sphincter Complex | – | – | – | – |
| External Iliac Nodes | – | – | – | – |
| Ischiorectal Fossa | – | – | – | – |
| Inguinal Nodes | – | – | – | – |
| Presacral Nodes, abdominal | – | – | – | – |
TME: total mesorectal excision, LLN: lateral lymph nodes, LN: lymph nodes.