Breast biopsy accuracy varies, especially with pre-cancer conditions: study

Biopsy specialists frequently misdiagnose breast tissue, potentially leading to too-aggressive treatment for some women and under-treatment for others, a study suggests. The results indicate that pathologists are very good at determining when invasive cancer is present in breast tissue, but less adept at making the right diagnosis with less serious conditions or when biopsied tissue is normal. The study involved 115 U.S. pathologists and 240 breast biopsy specimens. Read more here.