Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No pleural effusion or pneumothorax . No parenchymal consolidation is seen . The heart is mildly enlarged . On the lateral , the posterior heart border overlies the anterior aspect of the lower thoracic vertebral bodies implying LV and ___ ___ . There is decreased retrosternal space implying mild right ventricular enlargement .
    OUTPUT:
    
No radiographic cause is identified for the patient 's cough . Mild cardiomegaly is seen .