S100A7 and head and neck squamous cell carcinoma: Its overexpression has been linked to clinical outcomes and has been found in premalignant and malignant lesions.140, 141, 142, 143, 144, 145 The expression of Psoriasin was correlated with a worse prognosis in patients with HNSCC in the study by Tripathi et al.146However, this analysis was not done with regard to tumour sub-sites or HPV status.