i want to say that the meshalkin center actually began as a center for cardiac surgery.is a multidisciplinary center and neurosurgery. they are simply brilliant. i want to invite here the leading neurosurgeon of the center, please come here pavel alexandrovich semin pavel alexandrovich here, and operations when the tumor of the facial part of the skull bones is always a difficult operation, but you have done unique technologies. when this part is completely restored for children, and this implant is here, what is special about us, this implant is very light, and it starts well, but outgrows the tissues, there is absolutely no rejection, and it completely repeats all the defects. if there are skulls, then we are planning. before the operation and after the removal of the tumor, we completely remove the bone defect , so we do it all at once. the implant will completely restore the bones, that is, there will be no hole where the tumor is removed, and you can see it all in the hole. it is made so that vessels sprouted so that the child could grow, so that life could continue