RHOA and pachyonychia congenita: To establish the relationship between HNRNPC, RhoA and radiation resistance in PC tissues, we examined HNRNPC and RhoA mRNA and protein expression levels by qRT‐PCR and Immunohistochemical (IHC) analysis in tumour and paired adjacent normal tissues from PC patients who received treatment at the Ruijin Hospital of Shanghai Jiao Tong University of China.