Pacemakers and scattered radiation.
D000368:Aged; D001982:Bronchial Diseases / Q000000981:diagnostic imaging / Q000601:surgery; D004574:Electromagnetic Fields / Q000009:adverse effects; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging / Q000532:radiotherapy / Q000601:surgery; D008297:Male; D008991:Monitoring, Physiologic / Q000379:methods; D010138:Pacemaker, Artificial; D011839:Radiation, Ionizing / Q000379:methods*; D011859:Radiography; D011878:Radiotherapy; D012804:Sick Sinus Syndrome / Q000532:radiotherapy