As reported: "after tha surgery (right side), cutout of a lag screw occurred at the femoral head.
After that, the lag screw invaded the pelvis.
The initial surgery performed on (b)(6) 2021, the event was confirmed on (b)(6) 2021.
The re-operation was performed on (b)(6) 2021.
Additional information received on 17-feb-"202": "at the time of the initial operation, the operation was completed without inserting the u blade of the u lag screw and the end cap for the lag screw.
In addition, it has been confirmed that the lag screw did not turn when the set screw was not loosened in the removal process.
So, the surgeon recognized that the set screw was fixed to some extent.
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