Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Innumerable tiny calcified nodules are seen in bilateral lungs and were previously identified on a CT from ___ . Otherwise , the lungs are clear without any focal opacity concerning for an infectious process . The cardiomediastinal silhouette and hilar contours are unremarkable . No pleural effusion or pneumothorax . The bony structures are grossly intact .
    OUTPUT:
    
No evidence of acute intrathoracic process .