title: Simple modification of a radiation therapy table for portal film radiographs.
abstract: By the simple modification of one type of radiation therapy treatment couch, one can save personnel and patient time. Portal films can be minimized, and field size treatment areas can be made more accurate and easier to reproduce. The cassette can be moved freely beneath the patient, and the table top can be utilized as a flat surface for dosimetry checks.
mesh_terms: D011859:Radiography / Q000295:instrumentation; D011878:Radiotherapy / Q000295:instrumentation*; D013679:Technology, Radiologic