Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Minimal streaky left base opacity has decreased in the interval , likely atelectasis / scarring . No new focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are unremarkable . No evidence of free air is seen beneath the diaphragms .
    OUTPUT:
    
Minimal left base atelectasis appears slightly improved since the prior study . Otherwise , no acute cardiopulmonary process .