Sentence examples for a scar from inspiring English sources

The phrase "a scar" is correct and usable in written English.
It can be used to refer to a mark left on the skin after a wound has healed or metaphorically to describe emotional or psychological damage.
Example: "After the accident, he was left with a scar on his arm that served as a reminder of the event."
Alternatives: "a mark" or "a blemish".