sentences:  In 1972, the hospital was expanded, and in the process 300 homes and businesses in the predominantly African-American Albina neighborhood were razed to make room for construction.In 1978, the hospital opened a helipad, and instituted the Life Flight Network, the first life-flight system on the U.S. West Coast.After becoming a holding company for the hospitals in 1983, the group became HealthLink in 1985.