Interlaboratory concordance in HER2 testing: Results of a Serbian ring-study.

Purpose: The purpose of this study was to assess the immunohistochemistry and chromogenic in situ hybridization (CISH) inter-laboratory consensus between national pathology laboratories in Serbia.

Methods: This study was conducted between 2013 and 2016. In 2013, HER2 results were evaluated using two sets of four different breast cancer specimens in five laboratories.

Serbian consensus of neoadjuvant therapy for breast cancer: NeoPULSE.

Even though surgery is the primary treatment of operable breast cancer, it has been known for decades that the administration of postoperative adjuvant or preoperative neoadjuvant therapy is extremely important. Indications for neodjuvant therapy administration have been expanded over the years, and nowadays this kind of treatment represents an inevitable option in early breast cancer treatment. The NeoPULSE project, which gathered a group of experts in the field of breast cancer from five Serbian university centres, was formed with the aim to define optimal breast cancer diagnosis, indications for neoadjuvant therapy, therapeutic combinations in relation to molecular/biological parameters of breast cancer, as well as the treatment after neoadjuvant therapy.