Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs : The lungs are hyper inflated . A 2 .5 cm nodular density is seen adjacent to the left heart border . There may been scarring in this region in the past but this represents a significant change . Chest CT recommended for further evaluation . Pleura : No pleural effusion is seen . Heart : The heart is not enlarged . Mediastinum and hila : There is no mediastinal mass . Osseous structures : The osseous structures are normal for age . Other findings : None
    OUTPUT:
    
Possible nodule in the lingula .