Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Streaky opacity is in the left lower lung may reflect atelectasis . No definite focal consolidation to suggest a focal pneumonia . No edema . The heart appears mildly enlarged . There is a rounded appearing opacity projecting over the heart on on the frontal view is consistent with a moderate to large hiatal hernia . L1 vertebral body compression deformity with anterior wedging ( about ___ % loss of anterior height ) , seen on the lateral view , is age indeterminate .
    OUTPUT:
    
1 . Low lung volumes . 2 . Probable atelectasis . 3 . Moderate - to - large hiatal hernia . 4 . Age-indeterminate ___ % loss of anterior vertebral body height of L1 .