Postoperative Hypofractionated Whole Pelvic Radiotherapy in Cervical and Endometrial Cancer

Inclusion Criteria: 1. Pathologically proven carcinoma of the uterine cervix; and carcinoma and carcinosarcoma of uterine corpus 2. Hysterectomy (total abdominal hysterectomy, vaginal hysterectomy, total laparoscopic hysterectomy or radical hysterectomy) for cancer of the cervix or endometrium within 49 days prior to registration. Hence inadvertent surgery will be allowed for inclusion. 3. Indicated for adjuvant EBRT from multidisciplinary team discussion. 4. Non-metastatic stage according to FIGO 2018 for Cervical cancer and FIGO 2023 for Endometrial cancer and TNM guidelines from appropriate diagnostic workup 4.1 History/physical examination within 45 days prior to registration 4.2 CT/MRI/PET-CT of abdomen/pelvis demonstrating the absence of distant metastasis, performed pre- or post-surgery within 90 days prior to registration 4.3 Chest x-ray or chest CT (or a PET/CT) performed within 90 days prior to registration 5. Age ≥18 years old with informed consent Exclusion Criteria: 1. Other primary malignancies except carcinoma in situ of the cervix and basal cell carcinoma of the skin 2. Small cell neuroendocrine cancer, melanoma, uterine sarcoma, and other rare cancers in the cervix and uterus 3. Metastatic disease beyond intervertebral disc L2/3 level 4. Previous pelvic or abdominal radiotherapy 5. Combination of preoperative chemotherapy or radiotherapy with surgery 6. Contra-indications to EBRT