Simultaneous occurrence of histologically different tumors in the same lung.
D002282:Adenocarcinoma, Bronchiolo-Alveolar / Q000150:complications* / Q000473:pathology / Q000601:surgery; D000368:Aged; D002276:Carcinoid Tumor / Q000150:complications* / Q000473:pathology / Q000601:surgery; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000150:complications* / Q000473:pathology / Q000601:surgery