Moreover, exploring the ferroptosis level of AKR1C1 in NSCLC, we evaluate the FPI value of AKR1C1 in NSCLC and visualize the results in Fig. 6B which suggested that AKR1C1 was with low ferroptosis level in NSCLC (P = 0.001). Here, AKR1C1 is linked to non-small cell lung carcinoma.