Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The thoracic aorta is diffusely calcified and mildly tortuous , unchanged . Mediastinal and hilar contours are normal . Lungs are clear except for minimal subsegmental atelectasis in the left lung base near the costophrenic angle . No pleural effusion or pneumothorax is detected . Previous pattern of mild pulmonary vascular congestion has resolved . Percutaneous gastrostomy catheter is noted in the left upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .