Meanwhile, PTCSC2 [35, 36], LINC02178 [37, 38], SRP14-AS1 [39], and MIR22HG [40, 41] have been mainly reported in other cancer types, such as head and neck squamous cell carcinoma, oral and oropharyngeal squamous cell carcinoma, and thyroid cancer.TMEM99 has not been reported previously. Here, PTCSC2 is linked to thyroid cancer.