Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstration of a calcified granuloma in the right upper lobe is again noted . There is basilar atelectasis at the left lung base , not significantly changed . The lungs and pleural surfaces are otherwise clear , without pneumothorax or pleural effusions . Heart size is normal . Osseous structures are grossly unchanged .
    OUTPUT:
    
No acute intrathoracic process .