The distribution of the pain is supposed to guide the surgeon as to the disc level causing the symptoms but these distribution patterns may be in error for instance in the lumbar spine in excess of 15% of patients.
Photos: North Korea holds first Workers' Party congress in 36 years. North Korean women in traditional dress prepare to greet delegates at the 7th Workers' Party Congress, held for the first time in 36 years.
North Korea became communist under the rule of Kim Il-sung, who began a series of social and economic reforms throughout the country. The Korean War, between communist and Soviet-backed North Korea and democratic and U.S.-backed South Korea, lasted from 1950-1953.