(1) A homograft with keratoplasty may be considered depending on the extent of the necrosis.(2) Following the complete removal of the mass, a 24-mm Cryolife homograft was sutured in place.(3) The resulting defect in the right ventricular outflow tract and main pulmonary artery is repaired using a homograft - a surgical tour de force.(4) The unit will also focus on research related to biodegradable stents, focus on cryopreservation of cardiac homografts , xenografts and decellularisation of tissue and autograft engineering, the release added.