Some Breast Tumors Tunnel Into Fat to Fuel Up. Can We Stop Them? August 20, 2025 A UCSF team discover how breast cancer tumors tunnel into neighboring fat cells to trigger fat breakdown in order to feed on fat and grow. External URL https://www.ucsf.edu/news/2025/08/430521/breast-tumors-tunnel-into-fat-cells-to… Area of Focus Health and Science/Cancer/Breast Cancer Health and Science/Cancer