Necessity of CT-MRI based treatment planning for cervical tumors with retroverted uterus: A case report with review of literature.

Treatment of carcinoma cervix is a complex issue influenced by numerous factors, including the patient's age, clinical stage of the disease, position of the uterus, comorbidities, etc. The major drawback of the conventional four-field box technique is the lack of complete information about the flexion of the uterus and topography of the tumor. These are further influenced by bladder and rectal filling, which may lead to geographical miss of the clinical target volume (CTV).