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Chest computed tomography scans of a patient with lung adenocarcinoma. Before treatment with nivolumab, (a) a 45 mm primary tumor is observed in the left lower lobe of the lung. (b) After six courses of nivolumab therapy, the primary lung tumor increased to 75 mm in diameter. (c) After two courses of carboplatin/albumin‐bound paclitaxel therapy, the primary lung tumor decreased to a diameter of 25 mm.
