Among the three potential prognostic markers that were identified, LINC02604 was found to be an effective marker for the prognosis of colon cancer [28], and psmg3-as1 was found to play a key regulatory role in the occurrence and development of various tumors, such as lung cancer [29,30], breast cancer [31], and ovarian cancer [32]. The gene discussed is PTGDR; the disease is lung cancer.