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In which age group is Wilms tumor most likely to occur?

Infants

Teenagers

Young children

Wilms tumor, also known as nephroblastoma, predominantly occurs in young children, typically between the ages of 2 and 5 years. This tumor is a type of kidney cancer that is most commonly diagnosed in this age group, making it a primary consideration in pediatric oncology. The incidence of Wilms tumor drastically decreases after the age of 5 and is rare in older children and adults.

In contrast, infants are less frequently diagnosed with this type of tumor, and the pediatric population as a whole is where most cases are identified. Teenagers are also not commonly affected by Wilms tumor, as it is virtually absent in this age group. Adults rarely develop this condition, which is primarily a childhood cancer. Thus, the distinction that young children are the most affected demographic is crucial for understanding the epidemiology of Wilms tumor.

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Adults

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