When Ronald Salem, MD, section chief of Surgical Oncology at Yale Medicine, removes a tumor, he sends a tissue sample to the pathology lab next to the operating room for analysis. The sample is quickly frozen, stained and examined under a microscope.
Within minutes, the pathologist is able to tell Dr. Salem whether the specimen is cancer-free. This real-time feedback is essential because it allows the surgeon to remove more tissue, if necessary, during a single surgery.
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