And so you're going in with your thumb, and you start to press a little bit on the brain, because tumors tend to be a little harder, stiffer, and so you go in and go a little bit like this and say, "It seems like the tumor is right there." Then you take out your knife and start cutting the tumor piece by piece by piece.
Тогда вы берёте и большим пальцем начинаете легонько нажимать на ткани, так как опухоль обычно чуть более твёрдая, упругая.