Whole-Abdominal Radiation Therapy and Cisplatin in Treating Patients With Stage III or Stage IV Endometrial Cancer That Has Been Removed by Surgery

Inclusion Criteria

• •DISEASE CHARACTERISTICS:
• •Diagnosis of endometrial cancer, including any of the following cellular types:
• •* Papillary serous carcinoma
• •* Clear cell carcinoma
• •* Adenocarcinoma
• •Stage III or IV disease
• •* No evidence of extra-abdominal extension of disease (e.g., groin nodes, lung, or supraclavicular nodes)
• •Has undergone total-abdominal hysterectomy, surgical removal of any present fallopian tube and ovary, and resection of any palpable lymph nodes in the pelvis and para-aortic region (or surgical sampling of these nodal regions if no palpable nodes were present) within the past 6 weeks
• •* Peritoneal washings must have been collected for cytological evaluation
• •* Must have ≤ 1 cm residual disease after surgery
• •PATIENT CHARACTERISTICS:
• •Karnofsky performance status 60-100%
• •Life expectancy ≥ 6 months
• •WBC ≥ 3,000/mm\^3
• •Granulocyte count ≥ 1,500/mm\^3
• •Platelet count ≥ 100,000/mm\^3
• •Creatinine \< 2.0 mg/dL
• •Bilirubin \< 1.5 times upper limit of normal (ULN)
• •Lactate dehydrogenase \< 3 times ULN
• •Gamma glutamyl transferase \< 3 times ULN
• •SGPT and SGOT \< 3 times ULN
• •Alkaline phosphatase \< 3 times ULN
• •No other malignant tumor within the past 5 years
• •PRIOR CONCURRENT THERAPY:
• •See Disease Characteristics
• •No prior radiotherapy to the whole abdomen and/or pelvis/vagina
• •No systemic chemotherapy within the past 5 years