In Hou et al.’s datasets [64], FKBP4 was also discovered to be upregulated in LCLC, SCLC, and LUAD with respective fold changes of 3.607 (p = 3.84 × 10−8), 2.765 (p = 9.11 × 10−15), and 2.082 (p = 3.46 × 10−9). This evidence concerns the gene FKBP4 and small cell lung carcinoma.