[On difficulties in the differential diagnosis of sympathoblastoma from tumors of the hematopoietic system].
D003937:Diagnosis, Differential; D006413:Hematopoietic System; D006801:Humans; D009369:Neoplasms; D009447:Neuroblastoma / Q000175:diagnosis*
HEMATOPOIETIC SYSTEM/neoplasms; NEUROBLASTOMA/diagnosis