BTG1 and non-small cell lung carcinoma: BTG1 expression was adversely linked to poor prognosis of patients with hepatocellular, thyroid, nasopharyngeal, esophageal, breast, or non-small cell lung cancer (Sun et al., 2014b; Sun et al., 2014c; Sun et al., 2014d; Lu et al., 2014; Sheng et al., 2014).