3T3-L1 Cells 1 3T3-L1 cell line 1 Adipocytes 1 Animals 1 Article Cell Line, Tumor 1 Culture Media, Conditioned 1 Female 1 Imaging, Three-Dimensional 1 LM3 cell line (breast cancer) 1 Mammary Neoplasms, Experimental 1 Mice 1 Models, Biological 1 Neoplasm Invasiveness 1 Neoplasm Seeding 1 Spheroids, Cellular 1 Tumor Microenvironment 1 adipocyte 1 animal 1 animal cell 1 biological model 1 bland altman analysis 1 cancer growth 1 cancer infiltration 1 cancer research 1 cell differentiation 1 cell proliferation 1 collagen gel 1 collagen type 1 1 computer model 1