opkol was localized in the right side of the heart and caused severe disorders blood circulation we evenhreshold. this means that the operation was performed with help. in such cases , the main vessels that are affected by the tumor are replaced with vascular prostheses. in this case, it was necessary to replace not only the vessel, but also to simulate a new atrium. patients suffering from malignant tumors. these malignant tumors can grow into various vascular structures. the question arises of what to replace them with. today, in addition to prosthetics, there is also a bank of tissue. who have advantages over synthetic materials for cancer patients. during the operation, surgeons used a unique technology: plastic surgery of the atrium and replacement of the superior vena cava with a homograft. a homograft is a biological tissue. doctors from sechensky university used this method of prosthetics for the first time. new methods are being born, along with new technologies, and today’s observation, when an operation was simultaneously performed on a great vessel, on the chamber of the hear