VEGFR-3 and its ligand VEGF-C are associated with angiogenesis in breast cancer. - Valtola,R.; Salven,P.; Heikkila,P.; Taipale,J.; Joensuu,H.; Rehn,M.; Pihlajaniemi,T.; Weich,H.; de Waal,R.; Alitalo,K. (Am J Pathol, 1999)