Children's Hospital of Philadelphia has been ranked second in the nation in U.S. News & World Report's 11th annual rankings of the best pediatric hospitals in the country.

"We are honored to be so highly ranked in the U.S. News ranking, and to be in the company of other leading children's hospitals," said Madeline Bell, president and chief executive officer of Children's. "It takes the ongoing expertise of everyone at CHOP to help make breakthroughs happen every day for our patients and their families."

Ranked first on the publication's pediatric honor roll for the third year in a row is Boston Children's Hospital.

In the third spot was Cincinnati Children's Hospital Medical Center. Children's Hospital of Pittsburgh of UPMC ranked ninth.

U.S. News also highlighted the top 50 centers in 10 pediatric specialties. Here are the top-ranked hospitals in each specialty:

  • Cancer: St. Jude Children's Research Hospital, Memphis.
  • Cardiology and heart surgery: Texas Children's Hospital, Houston.
  • Diabetes and endocrinology: Children's Hospital of Philadelphia.
  • Gastroenterology and gastrointestinal surgery: Boston Children's Hospital.
  • Neonatology: Children's National Medical Center, Washington.
  • Nephrology: Boston Children's Hospital.
  • Neurology and neurosurgery: Boston Children's Hospital.
  • Orthopedics: Boston Children's Hospital.
  • Pulmonology: Children's Hospital of Philadelphia.
  • Urology: Boston Children's Hospital.

The specialty rankings take into account factors such as clinical outcomes, patient volume, infection control, adequate nurse staffing, efficiency and coordination of care, and compliance with best practices. CHOP ranked within the top three nationally in nine of the 10 areas.