EE WAS RE-HOOKING BASKET ON A CEMENT LOADING SPOUT. THE EE STATED THAT WHILE DOING SO HE EXPERIENCED PAIN IN LEFT CHEST AREA. EE REPT'D INCIDENTBUT DID NOT WANT TO SEEK MEDICAL ATTENTION UNTIL 1ST DR'S VIST 1/15/03. DR. PROGNOSIS NO MODIFIEDDUTY-2ND DRS' VISIT 6/2/03 MODIFIED DUTY BEGAN 6/3/03