Table 1.

Criteria for diagnosis of radiation-induced sarcoma

Criteria for diagnosis of radiation-induced sarcoma

The histology of the sarcoma must be proven histologically and different from the histology of the primary tumor

The sarcoma should be located within the treatment field or in the tissue volume included in the 5% isodose line

Patients with cancer syndromes should be excluded

The latent period to the development of RIAS should be at least 4 years from treatment