i saw a scar on the girls face
The man had a scar on his cheek. A scar may or may not be noticeable.
The only reminder of his surgery was a small scar on his abdomen.
The country still bears the scars of war.
The facial scar was another badge of honor.
"The BIOPSY revealed scar tissue."Merrium-Webster Dictionary
No scar.
scar
I remain a scar after the wound that I got
You have a scar on your hand. How did you get that scar?
The knife wound left a scar two inches long.
Scar
He was a great magician and had many illusions as part of his performance.