Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . Aorta is tortuous . The mediastinal and hilar contours are otherwise are unremarkable . The pulmonary vascularity is normal . Subsegmental atelectasis in the lingula is noted . The remainder lungs are clear without focal consolidation . No pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
Subsegmental lingular atelectasis . Otherwise no acute cardiopulmonary abnormality .