Two specialists told The Post that Irving is likely to be out a few more weeks. One medical source not affiliated with the team intimated there’s more under the surface and that this injury could be even more long term. “That’s a very, very broad term,” said Dr. Andrew S. Rokito, chief of shoulder surgery at NYU Langone Orthopedic Hospital. “Impingement typically does not refer to an acute injury. [It] refers to more of a long-standing, chronic issue with the rotator cuff.