Ukuvela kwamasu amasha okwelapha, afana nokuhlinzwa ngomsakazo, ukuhlinzwa kwe-stereotaxic kanye nokwethulwa kwama-chemotherapeutic agents ngqo ebuchosheni kuye kwathuthukisa kakhulu ukubikezelwa kwezimila zobuchopho kanye nezinga lempilo nokuphila kwabantu abanalo mdlavuza. .

ULance Armstrong owahlukunyezwa ama-metastases amaningi ebuchosheni ngenxa yomdlavuza wamasende ekuqaleni kwawo-1990 usawine i-Tour de France izikhathi ezingu-7 ngemva kokuhlinzwa kwakhe kanye nokwelashwa ngamakhemikhali. Ngemva konyaka, wawina Tour de France yakhe yokuqala. Ngisho noma singeke sonke sikwazi ukuwina i-Tour de France, lesi sibonelo sisenza sibe nethemba, ikakhulukazi kusukela lapho, ukwelashwa kuye kwathuthuka kakhulu.