Epidemiology of Soft Tissue Sarcoma and Bone Sarcoma inItaly: Analysis of Data from 15 Population-Based Cancer Registries

Table 5

Most frequent (% of total) bone sarcoma morphologies at different sites by Italian geographic area.

Area of Italy	Site
	Pelvis	Lower extremity	Upper extremity	Head and neck	Trunk
North	Chondrosarcoma (28%)	Osteosarcoma (42%)	Chondrosarcoma (57%)	Osteosarcoma (38%)	Chondrosarcoma (47%)
Central	Chordoma (50%)	Chondrosarcoma (89%)	Chondrosarcoma (100%)	Osteosarcoma (60%)	Chondrosarcoma (33%)
					Ewing’s sarcoma (33%)
South	Chondrosarcoma (29%)	Osteosarcoma (64%)	Chondrosarcoma (90%)	Osteosarcoma (37%)	Chondrosarcoma (45%)
	Ewing’s sarcoma (29%)			Chondrosarcoma (37%)

Cases diagnosed in 2009–2012 and archived in 15 Italian population-based cancer registries affiliated to AIRTUM.