Extended‐field radiotherapy probably leads to lower overall survival compared with pelvic radiotherapy (moderate certainty).
Extended‐field radiotherapy probably leads to lower para‐aortic lymph node recurrence compared with pelvic radiotherapy (moderate certainty).
Extended‐field radiotherapy showed no clear difference in progression‐free survival compared with pelvic radiotherapy (moderate certainty).
Extended‐field radiotherapy showed no clear difference in adverse events compared with pelvic radiotherapy (moderate certainty).
Extended‐field radiotherapy probably leads to lower overall survival compared with pelvic chemoradiotherapy (moderate certainty).
Extended‐field radiotherapy may leads to lower para‐aortic lymph node recurrence compared with pelvic chemoradiotherapy (low certainty).
Extended‐field radiotherapy probably leads to lower progression‐free survival compared with pelvic chemoradiotherapy (moderate certainty).
Extended‐field radiotherapy probably leads to lower acute adverse events compared with pelvic chemoradiotherapy (moderate certainty).
Extended‐field radiotherapy showed no clear difference in late adverse events compared with pelvic chemoradiotherapy (moderate certainty).
It is very uncertain whether extended‐field chemoradiotherapy changes overall survival compared with pelvic chemoradiotherapy (very low certainty).
It is very uncertain whether extended‐field chemoradiotherapy changes para‐aortic lymph node recurrence compared with pelvic chemoradiotherapy (very low certainty).
It is very uncertain whether extended‐field chemoradiotherapy changes progression‐free survival compared with pelvic chemoradiotherapy (very low certainty).
It is very uncertain whether extended‐field chemoradiotherapy changes acute adverse events compared with pelvic chemoradiotherapy (very low certainty).
It is very uncertain whether extended‐field chemoradiotherapy changes late adverse events compared with pelvic chemoradiotherapy (very low certainty).
Chemotherapy plus involved‐field radiation showed no clear difference in secondary malignant neoplasms compared with same chemotherapy plus extended‐field radiation (low certainty).
Chemotherapy plus involved‐field radiation showed no clear difference in death compared with same chemotherapy plus extended‐field radiation (high certainty).
Chemotherapy plus involved‐field radiation showed no clear difference in progression/relapse compared with same chemotherapy plus extended‐field radiation (high certainty).