A total of @ patients with Grades IIa-IIIb cervical cancer were randomly divided into two groups , namely , the IMRT group for IMRT plan ( primary lesion , @ Gy/@ ; the pelvic wall lymphatic drainage area , @ Gy/@ ) , and the @D CRT group ( conformal pelvic radiotherapy , @ Gy/@ ; subsequent supplement of pelvic wall , @ Gy/@ ) .