title: Sputum cytology in the diagnosis of pulmonary non-Hodgkin's lymphoma.
mesh_terms: D003581:Cytodiagnosis; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D008223:Lymphoma / Q000175:diagnosis*; D008875:Middle Aged; D013183:Sputum / Q000166:cytology*