Fig. 7From: Macrophages-derived exosomal lncRNA LIFR-AS1 promotes osteosarcoma cell progression via miR-29a/NFIA axisNFIA is highly expressed in pulmonary metastasis focuses of osteosarcoma patient. a Representative image of IHC result. b IHC result showed that NFIA was expressed more strongly in pulmonary metastasis focuses. **p < 0.01Back to article page