Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Low lung volumes result in bronchovascular crowding . There is no focal consolidation or pneumothorax . A right pleural effusion is tiny . There is small change in the left upper lobe vessel caliber , but the hila are unchanged . The mediastinal silhouette is stable with aortic tortuosity . Pulmonary arterial enlargement is better seen on CTA ___ .
    OUTPUT:
    
Findings suggest severe chronic pulmonary hypretension with possible early cardiac decompensation . No pneumonia .