Original sentence: Baltimore is the largest city in Maryland, and its metropolitan area is the 19th largest in the country.Once an industrial town with an economic base in manufacturing, Baltimore's economy has now shifted primarily to a service sector-oriented, with its largest employer no longer Bethlehem Steel but Johns Hopkins University and The Johns Hopkins Hospital
Edited sentence: Baltimore is the largest city in Maryland.Its metropolitan area, however, is only the 19th largest in the country.Once an industrial town with an economic base in manufacturing, Baltimore's economy became rust belt and is now primarily service sector-oriented, with its largest employer no longer Bethlehem Steel but Johns Hopkins University and The Johns Hopkins Hospital