Pediatric oncology is the branch of medicine focused on the diagnosis and treatment of cancer in children, ranging from infants to adolescents. Although cancer is relatively rare in children compared to adults, it remains a leading cause of death from disease in children. Pediatric oncology involves the care of children with various types of cancers, including leukemia, brain tumors, lymphomas, sarcomas, and solid tumors like neuroblastoma and Wilms' tumor