MTSS1 and pachyonychia congenita: Further, the survival analysis showed that high expression levels of both MTSS1 and MTSS1-AS were most beneficial to overall survival of patients with PC, followed by the high expression level of either MTSS1 or MTSS1-AS; however, low expression levels of both MTSS1 and MTSS1-AS was unfavourable for the prognosis of patients with PC (Figure 9G).