Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly and a fractured mitral valve ring are unchanged from prior studies . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette , including a markedly enlarged main pulmonary artery , is stable . Hyperexpansion suggests underlying COPD . There is moderate right diaphragmatic eventration , similar to prior studies .
    OUTPUT:
    
1 . No evidence of acute cardiopulmonary process . 2 . Findings suggestive of underlying COPD and pulmonary hypertension .