english: And so this tumor is now growing in this mouse's brain, and then we've taken a doctor and asked the doctor to please operate on the mouse as if that was a patient, and take out piece by piece out of the tumor.
non_english: Teraz tento nádor rastie v myšacom mozgu. Potom sme myš zobrali k lekárovi a požiadali ho, aby ju operoval ako svojho pacienta a vybral nádor kúsok po kúsku.