PMC9932884_01
Tumor assessment at baseline and after 4 cycles of pembrolizumab/carboplatin/pemetrexed. The figure shows chest X-ray before (A) and after (B) treatment, and chest CT scan before (C, E) and after (D, F) treatment. As compared with baseline, tumor assessment after 4 cycles revealed a deep response of the primary tumor in the upper right pulmonary lobe, and a reduction of para-tracheal and pre-vascular mediastinal pathologic lymph nodes.
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Tumor assessment with CT scan after 4 cycles of treatment confirmed an objective partial response with an impressive tumor shrinkage ( Figure 1 ).