What Does A Calcific Scar In The Left Apex On My Chest X-ray Mean If I’ve Never Had Tuberculosis?

My Findings on my chest x-ray was - Calcific Scar, Left apex. The heart is not enlarged. The trachea is midline. The costophrenic and hemidiaphragms are intact. The osseous structures and soft tissues are unremarkable. What does it mean, I don t experience tuberculosis..