Results
Between 2005 and 2014, 2497, children with cancer were registered. 143 (5.7%) patients were confirmed cases of Wilms tumor eligible for evaluation. The male to female ratio is 1.75 (91 male, 52 female). The age range is between 8 months and 12 years, with a mean of 3.5 years. The follow-up period was up to 61 months. A hundred patients (70%) are between 1 and 5 years.
Other characteristics are shown in Table 1