{Reference Type}: Case Reports {Title}: A case of primary pulmonary angiosarcoma arising from tuberculous scar with fatal capillary bleeding. {Author}: Wang M;Zhang X;Jiang H; {Journal}: Clin Case Rep {Volume}: 12 {Issue}: 3 {Year}: 2024 Mar 暂无{DOI}: 10.1002/ccr3.8649 {Abstract}: The etiology of primary pulmonary angiosarcoma is still unknown. Here we report a case of primary pulmonary angiosarcoma originated from a tuberculous scar and presented as aggressive deterioration with uncontrolled bleeding from capillaries with angiodysplasia.