How is a pediatric concussion diagnosed and managed, and what are the long- term effects of multiple concussions? 2. What are the most common causes of stomach pain in children, and how are they typically treated? 3. How is pediatric hypertension diagnosed and managed, and what are the potential complications of uncontrolled hypertension? 4. What are the key considerations for the management of pediatric cancer, and how can parents and caregivers support the child's treatment plan at home?