The expression of hsa_circ_0067934 was not correlated with other clinical factors such as age, cancer location, lymph node metastasis, or tumor size, etc. The expression of PRKCI was also analyzed among 26 patients, we found the expression between PRKCI and has_circ_0067934 were not significantly correlated (supplementary file, P = 0.136). Here, PRKCI is linked to cancer.