Pediatric hematology/oncology is the study and treatment of blood disorders and cancer in infants, children and adolescents. A pediatric hematologist-oncologist is a physician who specializes in treating children with chemotherapy, and consults with other physicians to coordinate other methods of cancer treatments. This specialist uses a background of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.

Doctor density varies by specialty and location. Kansas has 14 practicing pediatric hematologists / oncologists. Broken out by city, pediatric hematology / oncology doctor density in Hill City is 2, in Kansas City is 6, in Leawood is 3, in Olathe is 1, in Overland Park is 3, and in Westwood is 1.

Kansas was admitted to the United States in 1861. Topeka is its capital city, and the population of Kansas is 2,744,687. Topeka offers sports and recreation, arts and cultural entertainment, and casinos to residents and visitors. Lucas claims to be the Folk Art center of the United States. Visit the Pony Express National Historic Trail, tour historic Fort Leavenworth, or see the Amelia Earhart Birthplace Museum in Atchinson. Kansas is also home to the John Brown Museum, which was a stop on the Underground Railroad in the mid-1800s.

According to 2005 Census estimates, Kansas has a population of 2,744,687. Of this population, 652,270 are under the age of 18 and 354,995 are at or above the age of 65.