Immunohistochemical staining of MMP-1 in breast cancer. a-b) Immunohistochemical staining of MMP-1 in infiltrating ductal carcinoma GIII. The staining is observed both in nuclei and in the cytoplasm. c) Breast carcinoma cells with positive MMP-1 nuclear staining and with d) positive nuclear and cytoplasm staining and with e) positive tumour cells and cancer associated stromal cells.
Boström et al. BMC Cancer 2011 11:348 doi:10.1186/1471-2407-11-348