Corey Feldman was reportedly rushed to hospital after suffering a medical emergency on a flight from Chicago to LAX this week. On Monday afternoon (June 15), the 54-year-old actor fell severely ill on a return trip from a weekend of touring, according to TMZ . A doctor who happened to be traveling on the same plane examined him and raised the possibility that he could be dealing with pancreatitis or gallstones, though no official diagnosis had been confirmed at the time of reporting. Sources told TMZ that paramedics were staged at the gate when the aircraft landed, and Feldman was transported by ambulance to a nearby hospital for evaluation and treatment. At press time, the actor, who is best known for his roles in The Goonies , Stand By Me , and Gremlins , was still undergoing tests at the hospital.…