- reveals all sorts of changes in the mucous membranes of the hollow body subsequently to form a risk group for which will be monitored, aimed at early detection of cancer;
- kuthola zonke izinguquko okungenzeka nolwelwesi lwamafinyila yomzimba eziyize, ukuze kamuva akha iqembu ingozi okuyiwona kuzoqashwa, sibhekiswe kusenesikhathi umdlavuza;