Abstract:e23550 Background: Head and neck soft-tissue sarcoma (HN-STS) is a rare entity for which a new prognostic risk stratification has been proposed in the 8th AJCC. The tumor size 2cm and 4cm have been adopted as cutoffs for T1 to T3 classification and the invasion of surrounding structures denotes T4. In opposite, in the 7th edition the primary tumor size of 5 cm determines T1 and T2 classification. This study aimed to compare the 8th and 7th AJCC as a prognostic tool for HN-STS. Additionally, we sought to inves… Show more
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