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. 2023 Sep 20;18(9):e0291772. doi: 10.1371/journal.pone.0291772

Fig 3. Representative CT imaging in patients with a durable clinical response.

Fig 3

(a) Esophageal cancer patient B-09. Pleural metastasis (yellow arrow) was observed on CT and FDG-PET at baseline. The pleural tumor was decreased in size by the KW-0761 treatment, which was also confirmed by a reduction in standardized uptake value-max (SUV-max) on FDG-PET. Although pleural metastasis shrank, abdominal lymph node metastasis (orange arrow) developed after 23 infusions, which was evaluated as a new lesion, leading to the discontinuation of treatment. (b) Esophageal cancer patient B-39. Multiple liver metastases (yellow arrow) were observed on CT at baseline. Disease progression and a new lesion in the liver (red arrow) were confirmed after the first 8 infusions; however, all lesions subsequently decreased in size. The objective feasible response was sustained until 36 weeks after the first treatment when abdominal lymph node metastasis developed (orange arrow).