Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is moderate cardiomegaly with particular prominence of the left ventricle , slightly increased in size compared to prior examination . Mediastinal silhouette and hilar contours are unremarkable . Lungs are clear . There is no pleural effusion or pneumothorax . There is no other pleural abnormality . Bony structures are grossly unremarkable .
    OUTPUT:
    
No acute intrathoracic process . Moderate cardiomegaly without evidence of congestion .