title: Semiautomatic optimization of external beam radiation treatment planning.
mesh_terms: D001331:Automation; D001932:Brain Neoplasms / Q000532:radiotherapy; D003201:Computers; D006801:Humans; D008722:Methods; D011878:Radiotherapy / Q000295:instrumentation; D011879:Radiotherapy Dosage; D013899:Thoracic Neoplasms / Q000532:radiotherapy