Dr. Patrick Walsh, chief of urology at the Johns Hopkins School of Medicine, will handle the prostate cancer treatment of Dr. Benjamin Carson, chief of pediatric neurosurgery. Because of an editing error, an article in yesterday's editions of The Sun misstated Walsh's role.

Franklin D. Roosevelt was 39 years old when he was stricken with polio in 1921. The age at which he contracted the disease was given incorrectly in an article in yesterday's editions.

The Sun regrets the errors.