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Surgical Case Reports
Fig. 1 | Surgical Case Reports

Fig. 1

From: Successful conversion surgery following chemotherapy with an immune checkpoint inhibitor in an older adult patient with stage IVB esophageal squamous cell carcinoma: a case report

Fig. 1

Upper endoscopy and pathological findings in the esophagus. Upper endoscopy reveals a half-circumferential ulcerative lesion in the thoracic lower esophagus at initial presentation (a). Biopsy specimen shows moderately differentiated squamous cell carcinoma (× 200) (b). The PD-L1 CPS is > 10% (× 200) (c). Following preoperative treatment, upper endoscopy reveals scarred mucosa in the area where the ulcerative lesion has been observed (d)

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