Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouettes are stable , with unchanged cardiomegaly . The bilateral hila are unremarkable . The lungs are clear without focal consolidation . There is no evidence of pulmonary vascular congestion or pulmonary edema . There is no pneumothorax or pleural effusion . There is no evidence of pneumomediastinum . Fractures of indeterminate age are seen involving several lower left lateral ribs , possibly present on priors but not as well - visualized .
    OUTPUT:
    
1 . No acute cardiopulmonary process . No evidence of pneumomediastinum . Stable cardiomegaly . 2 . Fractures of indeterminate age are seen involving several lower left lateral ribs , possibly present on priors but not as well - visualized .