title: Endoscopy without radiological pulmonary modifications.
mesh_terms: D001984:Bronchial Neoplasms / Q000175:diagnosis*; D001999:Bronchoscopy; D005260:Female; D006801:Humans; D008297:Male; D012140:Respiratory Tract Diseases / Q000175:diagnosis*; D014134:Tracheal Neoplasms / Q000175:diagnosis*