In Wilms tumor the following leads to emergence of resistance to chromotherapy
5 percnt of tumors have Anpalsia, defined as the presence of cells with large hyperchromatic pleomprphic nuclei and abnormal mitosis and the presrnc of anapladsia coreltes with p53 mutation
Nehprogenic rests
Monoblastic morphology
Anpalsia
Capsular infiltration
Urinary tract