From In Maine, Making Cancer DNA Tests Free—And Asking Tough Questions:

immune response to mouse model HER2+ breast cancer 15x10
immune response to mouse model HER2+ breast cancer 15×10

immune response to mouse model HER2+ breast cancer courtesy of the National Cancer Institute and Steve Seung-Young Lee/Univ. of Chicago Comprehensive Cancer Center https://visualsonline.cancer.gov/details.cfm?imageid=10588