Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased interstitial markings are seen throughout the lungs similar compared to prior exams suggesting chronic interstitial process . The lungs are clear without focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities
    OUTPUT:
    
No acute cardiopulmonary process .