Perioperative management of pulmonary thromboendarterectomy in a patient with life-threatening acute-on-chronic pulmonary thromboembolism secondary to nephrotic syndrome: A case report. - Sugiyama H; Ogaku A; Suzuki T; Sakazaki R; Ikeda N; Mori M; Onaka K; Yamazaki H; Yamaguchi H; Otsuka N (SAGE open medical case reports, 2026)