References
1. Beebeejaun, M.Y. and R. Deshpande, Conservative management of cardiac haemangioma. Interact Cardiovasc Thorac Surg, 2011;12:517-9.
2. Kim, I.S., et al., Hemangioma originating from the main pulmonary artery. J Thorac Dis, 2017;9:E894-E898.