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Example of core needle biopsy specimens. Representative 18-gauge core needle biopsy specimens pre-treatment, after 2 weeks of monotherapy, and at 6 weeks is shown. Patient E (Pt E) received sorafenib for cycle 1 monotherapy and patient R (Pt R) received bevacizumab monotherapy on cycle 1. Slides are stained with H&E, and this is a Veritas laser capture microdissection digital picture taken during tissue assessment and measurement. Arrows point to areas of viable tumor.
