Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without evidence of consolidation or pulmonary edema . The previously seen nodular opacity in the right base is no longer visualized . The ill - defined more medial right basilar opacity is consistent with overlapping vessels and rib . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal . A left - sided defibrillator is in unchanged position .
    OUTPUT:
    
No acute cardiopulmonary process .