Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . There is an ill - defined airspace opacity in the left upper lobe . There is no effusion or pneumothorax . Opacities over both hila have increased in size since ___ . Moderate cardiomegaly has worsened since ___ . The right hemidiaphragm remains asymmetrically about elevated over the left . Calcifications of the tortuous thoracic aorta are stable . Chest wall surgical clips are unchanged .
    OUTPUT:
    
1 . Nonspecific airspace opacity in the left upper lobe . In the correct clinical context this could represent acute infection . 2 . Enlargement of the bilateral hila could be adenopathy , possbly reaction to acute pneumonia . Attention on follow up radiograph is suggested . 3 . Progression of moderate cardiomegaly since ___ . Discussed with Dr ___ via phone at ___ on ___