KRAS and cancer: Cancer driver genes found in LUAD include Kirsten rat sarcoma viral oncogene homolog (KRAS), epidermal growth factor receptor (EGFR), tumor protein p53 (TP53 or p53), kelch-like ECH-associated protein 1 (KEAP1), serine threonine kinase 11 (STK11) also named as LKB1, and neurofibromatosis type 1 (NF1) [7].