Farideh Akbari, Rezayat Parvizi, Mobin Mobadersani, Alireza Motamedi, Elnaz Javanshir, Shahla Meshgi, Amir Ghasemi Jangjoo, Reza Bagheri, Nasrin Gholami, Esmaeil Gharepapgh, Sahar Rezaei, Amir Faravan
Primary cardiac angiosarcoma should be considered in patients with hemorrhagic pericardial effusion and a right-sided infiltrative cardiac mass. Atrioventricular-groove involvement may cause rupture and right coronary artery compromise, requiring multimodality imaging and emergency salvage surgery; early multidisciplinary planning is essential because complete resection may be impossible.