Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to severe cardiomegaly is re - demonstrated along with marked tortuosity of the thoracic aorta , unchanged . Mediastinal and hilar contours are similar with unchanged enlargement of the pulmonary arteries suggestive of pulmonary arterial hypertension . Pulmonary vasculature is not engorged . Focal opacity in the left upper lobe along the fissure is unchanged , compatible with platelike atelectasis . Patchy bilateral lower lobe opacities also likely reflect atelectasis . No focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormality is visualized . Exaggerated kyphosis of the thoracic spine is again noted .
    OUTPUT:
    
Bibasilar atelectasis and unchanged platelike atelectasis in the left upper lobe .