SOSTDC1 and neoplasm: To determine whether the expression of SOSTDC1 in NSCLC is altered, we first analyzed 99 pairs of primary tumor (T) versus normal tissues (N) using RNASeqV2 data sets for NSCLC deposited on the TCGA website (https://tcga-data.nci.nih.gov/tcga) [21] for SOSTDC1 expression.