EMPLOYEE STATED HE WAS TRYING TO OPEN ONE AIRLOCK DOOR WHEN SOMEONE HAD LEFT THE OTHER DOOR OPEN INSTEAD OF GOING AROUND & CLOSING THE OTHER DOOR. HE HAD PUSHED THE DOOR OPEN & HAD HIS LT.HAND ON METAL DOOR FRAME WHEN THE DOOR SLAMMED SHUT. THIS RESULTED IN A CONTUSION AND LACERATION TO HIS LT. MIDDLE FINGER & RING FINGER.