Background: Ki-67 expression is a well-established prognostic marker in various cancers. However, Ki-67 expression is also known as being heterogeneous. We investigated the prognostic significance ...

Proliferation index is an important prognostic factor in breast cancer. The Ki-67 protein is expressed in all phases of the cell cycle except G0 and serves as a good marker for proliferation. Studies ...

"Moreover, obtaining serial same-site prostate biopsy tissue is feasible for future biomarker intervention ... met the primary endpoint (effect on Ki-67 index), but interpretation of the results ...