"A lot of the tests have come back positively," Boyle said. "We're hopeful. We're cautiously optimistic. We're moving forward with supervised workouts. Monitoring his heart rate. Getting feedback from him as he enters back in slowly to playing college basketball. He worked out with the guys (Thursday) and he'll be going through our April workouts. He'll go home in May and hopefully continue to just get better.
http://www.buffzone.com/mensbasketball/ci_31792629/cu-basketball-coach-tad-boyle-doesnt-expect-yet
This article focused on Battey, but all the actual info points to him recovering without further mishap, so far. Makes me think any attrition will come from another player who hasn't made up his mind yet.