Diagnosis of second head and neck tumors in primary laryngeal SCC is an indicator of overall survival and not associated with poorer overall survival: A single centre study in 987 patients

Abstract

These results suggest that HNSCC-SPT should not be viewed as an adverse prognostic factor. Reclassifications of UAD-SPTs into HNSCC-SPT and non-HNSCC-SPT better reflects their clinical behavior and prognosis.