Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right basilar opacity could represent atelectasis or pneumonia . There is no effusion or pneumothorax . The pulmonary arteries and azygos vein are enlarged . Cardiomegaly is similar to ___ . There is irregularity of the superior endplate of a lower thoracic vertebral body , seen on lateral view . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
1 . Right basilar opacity could represent atelectasis or pneumonia . 2 . Vascular congestion as described . 3 . Enlargement of the pulmonary arteries raises the possibility of pulmonary hypertension .