404. 42 y/o Women w/breast mass and biopsy finds “dermal lymphatic invasion” What is the next step? A. Chemo B. Lumpectomy/XRT C. Mastectomy D. Observation 42 y/o Women w/breast mass and biopsy finds “dermal lymphatic invasion” What is the next step? A. Chemo B. Lumpectomy/XRT C. Mastectomy D. Observation