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Cryoablation-guided needle biopsy procedure. Ultrasound images showing (A) cancer prior to insertion of devices (broken line indicates longest lesion dimension); (B) cryoprobe inserted through mass (solid arrows) and spring-loaded core needle biopsy device (broken arrow) with aperture open (*), pre-fire; and (C) cryoprobe inserted through mass (solid arrows) with core needle biopsy device (broken arrow) with aperture closed (*), post-fire.
