Long-term survival after repeated resection of metachronous lung metastases from pStage IA pancreatic adenocarcinoma

Abstract

Case report

A 70-year-old woman with pancreatic ductal adenocarcinoma was initially treated by distal pancreatectomy (DP). Thirty-five months later, another tumor appeared in the pancreatic head and was treated by pancreaticoduodenectomy. Histopathological findings identified both tumors as pancreatic ductal adenocarcinoma pStage IA. Computed tomography (CT) of the chest 16 months after the second pancreatectomy revealed a ground-glass opacity in segment 3 of the right lung. Chest CT 23 months after the second pancreatectomy revealed a nodular shadow in segment 1a of the right lung. Chest CT 39 months after the second pancreatectomy revealed a nodular shadow in segment 5 of the left lung. These lesions were treated by video-assisted thoracoscopic surgery partial resection. Histopathological and immunohistochemical features (positive for cytokeratin (CK)7 and CK20, negative for transcription factor-1) for these three lesions and the secondary pancreatic ductal adenocarcinoma were similar, indicating a diagnosis of lung metastasis from the second pancreatic ductal adenocarcinoma. The patient has remained alive and free of new metastases for 8 years after initial DP, 3 years after the last lung resection.

Conclusion

This patient has survived over the long term after undergoing three resections of lung metastases from resected pancreatic ductal adenocarcinoma.

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