title: Multiple primary cancers of the lung, esophagus, and other sites.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001706:Biopsy; D003937:Diagnosis, Differential; D004938:Esophageal Neoplasms / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis / Q000175:diagnosis; D009378:Neoplasms, Multiple Primary / Q000175:diagnosis* / Q000473:pathology; D009790:Occupations; D012737:Sex Factors; D012907:Smoking; D013183:Sputum / Q000166:cytology; D013997:Time Factors