the brilliant neurosurgery of the sklifosovsky institute alexander vladislavovich nature and evgeny yuryevichv, come to us, please. nature led who else was the surgical group, and which we filmed, because on this operation. i, too , was wondering where this huge tumor, right on the floor of her head, was practically located. she occupied part of the frontal lobe, that is, it is written down here in the middle and extended to the middle part of the brain here in the back. that is, right here, like an apple, somewhere about 10 by 8 cm, the apple lay this tumor. imagine yes, well, the complexity of the operation was not only in the size of the tumor. although this is the defining format, the tumor was overgrown with brain structures that are very important for our dear patient. this is a large artery. the carotid artery is named after the nerves, which were just engaged in the movement of one of the eyes, that is, complications. without this technology, it paralyzed man and death. and here you are using an exoscope, which makes it possible to preserve the vessels and preserve the nerves . what i