Fig. 6. Advanced cervical carcinoma. Sagittal ( A) and transverse ( B) sonograms of the pelvis show a markedly enlarged, irregular cervical mass invading both parametria ( black arrows ), encasing the right ureter laterally, and obliterating the fat planes ( white arrows) between the cervix and bladder anteriorly, and cervix and rectum posteriorly. The mass is obstructing the uterus, causing hydrometras. Sagittal sonogram ( C) of the right kidney shows moderate hydronephrosis. ( c, cervical mass; ur, ureter; b, bladder; h, hydrometras; k, kidney.)