Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a left lower lobe opacity consistent with pneumonia , with associated leftward mediastinal shift concerning for volume loss . This may represent postobstructive pneumonia . Cardiomegaly is not well assessed secondary to this opacity , but is likely unchanged . There is no pneumothorax .
    OUTPUT:
    
Left lower lobe consolidation which , given leftward mediastinal shift , is concerning for volume loss and postobstructive pneumonia . A followup chest radiograph should be obtained ___ weeks after the completion of the antibiotic course . If there is residual volume loss , then further evaluation with CT is recommended . These findings were entered into the critical communication dashboard by Dr . ___ at ___ on ___ .