LINC00520 and head and neck squamous cell carcinoma: Based on clinical data, upregulation of LINC00520 is also considered to be an indicator of poor prognosis in lung cancer, NSCLC, LUAD, PTC, CRC, MM, HNSCC, LSCC, NPC, etc. Besides, upregulation of LINC00520 is also related to the reduced radiosensitivity of HNSCC.