english: And I think that my mathematics, surprisingly enough, has been of great help to the surgeons studying lung illnesses and also kidney illnesses, all these branching systems, for which there was no geometry.
non_english: A myslím, že moja matematika, prekvapujúco, veľmi pomohla chirurgom, ktorí študujú choroby pľúc a tiež ochorenia obličiek, všetkých týchto vetviacich sa systémov, pre ktoré nebola žiadna geometria.