title: Oat cell carcinoma mimicking acute leukemia.
mesh_terms: D000208:Acute Disease; D001855:Bone Marrow Diseases / Q000150:complications / Q000175:diagnosis* / Q000188:drug therapy; D018288:Carcinoma, Small Cell / Q000150:complications / Q000175:diagnosis* / Q000188:drug therapy; D003937:Diagnosis, Differential; D004359:Drug Therapy, Combination; D006801:Humans; D007945:Leukemia, Lymphoid / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D010198:Pancytopenia / Q000209:etiology