para-aortic field

para-aortic/hepatic field

Para-aortic/hepatic port Radiation oncology A field of RT that encompasses the splenic hilar and para-aortic lymph node chains and the entire right lobe of the liver–through a 50% transmission lead block, often joined across another 'gap' by a separate pelvic field. See Radiotherapy.
References in periodicals archive ?
This patient received chemoradiation to pelvis and para-aortic field, brachytherapy was not performed as patient already had undergone attempted hysterectomy.
In phase I, para-aortic field was planned using AP/PA fields and the pelvis was planned using four fields.