Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There are slightly low lung volumes . No focal consolidation is seen . There is slight blunting of the posterior costophrenic angles , which appears stable as compared to the prior lateral radiograph from ___ . No new large pleural effusion is seen . There is no evidence of pneumothorax . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
No definite acute cardiopulmonary process .