Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . Chronic - appearing deformities of multiple left - sided ribs including the left lateral sixth and seventh ribs likely sequela of prior trauma .
    OUTPUT:
    
No acute cardiopulmonary process .