Li Fu from Yunnan Province, China, was stabbed during a robbery in 2006, and the blade of the knife had lodged in his cranium.
But despite receiving treatment for his injuries, doctors failed to notice the knife buried deep in the 37-year-old's skull.
Incredibly, it wasn't until Li visited the doctor last month to complain of his continuous migraines that doctors finally made the grim discovery after a routine X-ray.
Li and his family were so shocked by the X-ray results, they asked for a second opinion before agreeing to let doctors operate.
The second doctor confirmed the suspicions and Li underwent an operation to remove the knife at People's Hospital in Yuxi City, Yunnan Province on Saturday.
He is now in a stable condition in hospital.
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