非定型臨床シナリオにおける胸部血管内ステントグラフトの症例シリーズ：未踏領域の探求

Thoracic endovascular aortic repair is increasingly applied beyond standard instructions for use, driven by complex patient anatomy and clinical urgency. This case series presents three patients treated with off-label stent graft placement in the thoracic aorta. Each case required deviation from conventional instructions for use owing to anatomical or pathological challenges. By detailing these interventions, we aimed to illustrate the clinical decision-making involved in off-label thoracic endovascular aortic repair and to support a broader understanding of its role in managing complex aortic diseases.