High-fat diet, but not duration of lactation, increases mammary gland lymphatic vessel function and subsequent growth of inflammatory breast cancer cells.

"Declarations Conflict of interest statementThe authors declare no competing interests. Conflict of interest statement The authors declare no competing interests."

"Funding This work was supported by a grant from Susan G. Komen® awarded to Dr. Lorna McNeill (PI) and Dr. Kelly Hunt (co-PI): GTDR17498270; The University of Texas MD Anderson Cancer Center Duncan Family Institute for Cancer Prevention and Risk Assessment through the Center for Community-Engaged Translational Research; the MDACC Bootwalk fund; the State of Texas Rare and Aggressive Breast Cancer Grant; The IBC Network; the Cancer Prevention and Research Institute of Texas (RP190019, PI Sevick-Muraca); the Research and Animal Support Facility of the Cancer Center Support (Core) Grant P30 CA016672, from the National Cancer Institute, National Institutes of Health, to The University of Texas MD Anderson Cancer Center (PI PW Pisters). We also thank MD Anderson’s Veterinary Pathology Services for technical support with tissue processing and staining."