WHILE OPERATING 50 TON OFF ROAD TRUCK HE STARTEDEXPERIENCING PAIN IN RIGHT SIDE AND FELT NUMB INTHE SAME AREA. HE REPORTED ON 9/26 AFTER SEEING DOCTOR ON 9/19 AND OUT OF WORK SINCE. HE INDICAT ED CURRENT WORK CONDITIONS CONTRIBUTED TO PAIN. IN DOCTOR'S REPORT HE DID NOT INDICATE THIS AS AWORK-RELATED INJURY. DELAY IN REPORTING WAS DUE TO THE DOCTOR'S FINDINGS.