EE WAS GREASING ROCK TRUCK @ END OF DAY. AS HE RAISED UP HE HIT RT SHOULDER ON HOIST CYLINDER. SHOULDER SWELLED UP LATER THAT EVENING. HE THOUGHT THE SWELLING WOULD GO AWAY OVER THE WEEKEND. I T DID NOT. HE HAD TO GO TO THE DOCTOR & IS CURR ENTLY BEING TREATED FOR A BRUISED SHOULDER THAT GOT INFECTED.