This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Orthopaedics
Treatment of choice for old non-united fracture of shaft of femur - 
Select and explain. 
A. Compression plating, B. Bone grafting, C. Nailing, D. Compression plating with bone grafting
D: Compression plating with bone grafting
Answer: D: Compression plating with bone grafting 
Explanation: Treatment options for femoral shaft non-union are : -


Intramedullar interlock nailing with bone grafting (preferred).
K-nail with bone grafting.
Plating with bone grafting.