POSTN and neoplasm: The key experiments included for replication were selected because they examine the induction of POSTN expression in the pulmonary stromal fibroblasts and test the role of POSTN in primary tumor formation and metastatic efficiency, which are relevant as the role of POSTN as a possible prognostic marker and target for anticancer therapies is explored (Xu et al., 2012; Nuzzo et al., 2014).