KCNG4 and non-small cell lung carcinoma: 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).