Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previously seen scalloping of the right lateral pleural surface is no longer visualized . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . Again noted are likely calcified pleural plaques in the left mid lung region which appear stable .
    OUTPUT:
    
No evidence of pneumonia . No acute cardiopulmonary process .