SCG2 and squamous cell lung carcinoma: The SCG2 expression levels were higher in breast invasive carcinoma (BRCA), cholangiocarcinoma (CHOL), head and neck cancer (HNSC), kidney renal clear cell carcinoma (KIRC), kidney renal papillary cell carcinoma (KIRP), liver hepatocellular carcinoma (LIHC), lung squamous cell carcinoma (LUSC) compared with adjacent normal tissues.