Elodie Henriet1, Hildur Knutsdottir2, Eloise M. Grasset1, Matthew Dunworth1, Meagan Haynes1, Joel S. Bader2,3 and Andrew J. Ewald. Triple negative breast tumors contain heterogeneous cancer cells expressing distinct KRAS-dependent collective and disseminative invasion programs. © The Author(s), under exclusive licence to Springer Nature Limited 2022