Yikes. That makes it more scary. Having been through that much, he should have a good feel for when things are healing and when they're not and I'm sure he's used to playing with some level of discomfort. If he feels something isn't right, he's probably right. (the old "hurt" vs. "injured" cliche).
Andrews made remarks to the effect of its not "day to day" or "month to month", likely in the "week-to week" range. We may be lucky to see him May 1. I sure hope its earlier than that.