Radiation Therapy With or Without Chemotherapy in Patients With Stage I-IIA Cervical Cancer Who Previously Underwent Surgery

Inclusion Criteria: * Pathologically proven primary cervical cancer I-IIA with squamous cell carcinoma, adenosquamous carcinoma or adenocarcinoma initially treated with a standard radical hysterectomy with pelvic lymphadenectomy * Patients with the following characteristics (depth of stromal invasion and lymphovascular space involvement to be pathologically confirmed): * Positive capillary-lymphovascular space involvement and one of the following: * Deep third penetration * Middle third penetration, clinical tumor \>= 2 cm * Superficial third penetration, clinical tumor \>= 5 cm * Negative capillary-lymphatic space involvement * Middle or deep third penetration, clinical tumor \>= 4 cm * Absolute neutrophil count (ANC) \>= 1,500/mcl * Platelets \>= 100,000/mcl * Creatinine =\< upper limit of normal (ULN) or calculated creatinine clearance \>= 60 mL/min * Bilirubin =\< 1.5 x normal * Alkaline phosphate =\< 3 x normal * Serum glutamic oxaloacetic transaminase (SGOT) =\< 3 x normal * Gynecologic Oncology Group (GOG) performance status 0, 1, 2 * Patients should not be randomized less than 3 weeks post-surgery but will not be acceptable for randomization more than 8 weeks post-surgery * Patients who have met the pre-entry requirements * Patients must have signed an approved informed consent and authorization permitting release of personal health information Exclusion Criteria: * Patients with tumor in the parametria, pelvic lymph nodes or any other extra …