23.03.2020 | ASO Author Reflections
ASO Author Reflections: Phase II Trial of Adjuvant Chemotherapy with S-1 for Node-Positive Biliary Tract Cancer (N-SOG 09)
verfasst von:
Tomoki Ebata, MD, Takashi Mizuno, MD
Erschienen in:
Annals of Surgical Oncology
|
Ausgabe 7/2020
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Excerpt
Although surgical resection has been a potentially curative approach in biliary tract cancer (BTC), postoperative long-term survival remains unsatisfactory: approximately 30–50% at 5 years. This outcome exclusively depends on tumor-related factors, including tumor size, nodal status, histologic grade, or microscopic neurovascular invasion. Many surgeons, therefore, have practically used adjuvant chemotherapy on the basis of pathologic findings despite a lack of supporting evidence. A systematic review in 2012
1 suggested that patients with nodal metastasis or positive surgical margins might benefit from adjuvant therapy. …