Jim Harbaugh: Bruce Miller injury doesn't "look good"

San Francisco 49ers head coach Jim Harbaugh has revealed that full back Bruce Miller could miss the rest of the season.

Miller sustained an injury to his scapula in his side's win over the Tampa Bay Buccaneers on Sunday and Harbaugh admits that the diagnosis for return does not "look good".

He told reporters: "I have a pretty good idea but I won't say anything officially. It doesn't look good. It's something he'll heal from.

"Very significant [loss]. He does so many things in the protection, in the run game, receiving out of the back field. It's a loss."

Miller has caught 25 passes for 243 yards this season and is an integral part of the 49ers' offense.