Final answer:
Wilms tumor is a rapidly developing tumor of the kidney found especially in children.
Step-by-step explanation:
The statement "Wilms tumor is a rapidly developing tumor of the kidney found especially in children" is true.
Wilms tumor, also known as nephroblastoma, is a type of kidney cancer that primarily affects children. It usually develops in children aged 3 to 4 years old and is rare in older children and adults. Wilms tumor is characterized by the rapid growth of abnormal cells in the kidney.
Some symptoms of Wilms tumor include abdominal swelling or a lump, blood in the urine, and high blood pressure. Treatment options may include surgery, chemotherapy, and radiation therapy.