MFAP5 and head and neck squamous cell carcinoma: Some studies have pointed out that microfibrillar-associated protein 5 (MFAP5) is highly expressed in a variety of cancers, and it is observed that the overexpression of mfap5 is related to lymph node metastasis and poor prognosis of head and neck squamous cell carcinoma (HNSCC) [6].