Table 1.

Definition of the topographic categories of STS.

Site of primary tumor	ICD-O-3 topography code [5]
Head and neck	C00.0–C14.8, C30.0–C32.9, C41.0–C41.1, C44.0, C44.2–C44.4, C47.0, C49.0, C76.0
Orbit	C69.0–C69.9, C44.1
Pelvis	C41.4, C47.5, C49.5, C76.3
Genitourinary system	C51.0–C57.9, C60.0–C60.9, C61.9, C62.0–C63.9, C64.9–C66.9, C67.0–C67.9, C68.0–C68.9
Thorax	C49.3, C76.1
Limbs	C40.0–C40.9, C44.6, C44.7, C47.1, C47.2, C49.1, C49.2, C76.4, C76.5
Not otherwise specified	C76.2, C76.7, C76.8, C80.9 and C49.9
Others	All codes not listed in another category