Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation to suggest pneumonia . There is no pleural effusion or pneumothorax . The heart is at the upper limits of normal , unchanged from prior . The mediastinum is normal in appearance . There is atelectasis seen at the right base . Flattened diaphragms and increased AP diameter are consistent with increased lung volumes . There is an exaggerated kyphosis of the thoracic spine with mild degenerative changes again noted .
    OUTPUT:
    
No acute intrathoracic process .