G Representative pictures of lymph node metastases derived from Empty and TINCR expressing MM13 PDX cells are shown. Hematoxylin-eosin staining of sections of liver and lung metastases derived from Empty and TINCR MM13 PDX cells. Metastasis formation was evaluated 8 weeks after transplantation into NSG mice. Pictures of representative lungs and livers infiltrated with metastases are shown in the inset. Scale bars: 200μm. 