CLEC11A and lung adenocarcinoma: C-type lectin domain family 11 member A (CLEC11A), also known as stem cell growth factor (SCGF), promotes the proliferation of hematopoietic progenitor cells in the hematopoietic microenvironment [8] and is involved in lung adenocarcinoma (LUAD) tumorigenesis by promoting tumor angiogenesis [9].