(Portland, OR) -- The Portland Trail Blazers say guard C.J. McCollum will be out for at least another week as he recovers from a collapsed lung. McCollum is undergoing light conditioning and will be reevaluated in a week. He won't travel with the team on their upcoming road trip to Memphis and New Orleans. McCollum was injured when the Blazers were playing the Boston Celtics on December 4th.