Osteosarcoma patient with Li-Fraumeni syndrome: the first case report in Vietnam - Le, Thanh Thien; Ha, Tung Sy; To, Linh Mai; Dang, Quang Minh; Bui, Hoa Thi Phuong; Tran, Thanh Duc; Vu, Phuong Thi; Giang, Hoan Bao; Tran, Dung Trung; Nguyen, Xuan-Hung (Frontiers in Oncology, 2024)