FGFR1 and head and neck squamous cell carcinoma: FGFR1 amplification correlating with inadequate response to traditional treatments also happens in osteosarcoma,44 and the expression of FGFR1 is associated with worse disease‐free survival (DFS) and poor overall survival (OS) in head and neck squamous cell carcinoma (HNSCC),45 oesophageal cancer46 and colorectal cancer (CRC).47