HNSCC patients with high expression levels of MORF4L2, CTSL1, TBC1D2, C5orf15, LIPA and low expression levels of WIPF1, CXCL13, TMEM173 had poor outcomes (Fig. 5B; log-rank p < 0.05). Here, C5orf15 is linked to head and neck squamous cell carcinoma.