SCGB3A2 and neoplasm: SCGB3A2 is a member of the secretoglobin family of proteins, which share a common four helical bundle subunit structure, exist as dimers, tetramers, and other oligomers, and some of which have also been implicated in tumor suppression (Mukherjee et al., 2007) without a clear understanding yet of the mechanistic pathway(s).