title: The role of cytology in the evaluation of pericardial effusions.
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis; D003937:Diagnosis, Differential; D005188:False Negative Reactions; D006338:Heart Neoplasms / Q000175:diagnosis; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis; D009362:Neoplasm Metastasis; D010490:Pericardial Effusion / Q000166:cytology* / Q000175:diagnosis; D010496:Pericardium; D011379:Prognosis