Final answer:
Wilms' tumor is a type of kidney cancer found in children under 5 years old, also known as nephroblastoma. It is crucial to detect it early due to the developing stage of children's immune systems.
Step-by-step explanation:
Wilms' tumor is a form of cancer primarily seen in children younger than 5 years old. This malignant tumor affects the kidneys, which are vital internal organs responsible for filtering waste from the blood, producing urine, and aiding in regulating blood pressure. Wilms' tumor is also known as nephroblastoma and it's important that it is detected early for the best possible treatment outcome. Affecting children, it highlights the importance of pediatric health monitoring, especially because children's immune systems are not yet fully developed, making them more vulnerable to various forms of diseases and conditions.It's critical for physicians to monitor and address any concerning symptoms promptly to ensure the health and well-being of their pediatric patients.