title: The problem of the poorly differentiated sarcoma.
mesh_terms: D001706:Biopsy; D003937:Diagnosis, Differential; D005208:Fasciitis / Q000473:pathology; D005354:Fibrosarcoma / Q000473:pathology; D018219:Histiocytoma, Benign Fibrous / Q000473:pathology; D006801:Humans; D007890:Leiomyosarcoma / Q000473:pathology; D008080:Liposarcoma / Q000473:pathology; D008854:Microscopy, Electron; D011379:Prognosis; D012208:Rhabdomyosarcoma / Q000473:pathology; D012509:Sarcoma / Q000473:pathology*; D013584:Sarcoma, Synovial / Q000473:pathology; D012983:Soft Tissue Neoplasms / Q000473:pathology*