To determine the role of KvS subfamilies in NSCLC, we explored the lung cancer datasets from The Cancer Genome Atlas (TCGA) to inquire expression levels of KCNF1 (Kv5.1), KCNG4 (Kv6.4), KCNV2 (Kv8.2), and KCNS1 (Kv9.1). The gene discussed is KCNF1; the disease is lung carcinoma.