Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No pneumothorax . The cardiomediastinal silhouette is overall stable in appearance . There is mild lower lung atelectasis bilaterally . No pleural effusion . Right upper lobe and left lower lobe calcified granulomas are stable since at least ___ . Chain sutures in the right upper lung suggest prior resection .
    OUTPUT:
    
1 . No pneumothorax . 2 . No acute intrathoracic process .