Supervoltage roentgenography with linear accelerator.
D000368:Aged; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging* / Q000532:radiotherapy; D008297:Male; D008875:Middle Aged; D011859:Radiography; D011878:Radiotherapy / Q000295:instrumentation*; D013679:Technology, Radiologic / Q000295:instrumentation