Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal opacity , pleural effusion or pneumothorax . The heart is not enlarged . Prominence of the right hilum is likely in part due to the projection technique . Recommend repeat PA and lateral chest radiographs when the patient 's clinical condition improves .
    OUTPUT:
    
No acute cardiopulmonary process seen . Mild prominence of the right hilum is likely due to the projection . Recommend repeat PA and lateral chest radiographs when the patient 's clinical condition improves .