WHILE USING JACKHAMMER TO DISLODGE LARGE LUMP, THE JACKHAMMER BECAME LODGED IN LUMP. WHILE PULLING TO FREE THE JACKHAMMER, EE PULLED HIS SHOULDER, CAUSING DISCOMFORT. EE GAVE TIME TO SEE IF PAIN WOULD ALLEVIATE BY ITSELF, BUT PAIN CONTINUED. EE WENT TO DOCTORS ON 3/4/05 FOR FIRST VISIT. SURGERY SCHEDULED FOR 4/27/05.