Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Semi-upright portable view of the chest demonstrates low lung volumes without pleural effusion or pneumothorax . Hilar and mediastinal silhouettes are unremarkable . Heart size is normal . There is no pulmonary edema . Large hiatal hernia is noted . Bibasilar opacities are better seen on CT chest of the same date .
    OUTPUT:
    
1 . No focal consolidation . 2 . Large hiatal hernia . Bibasilar opacities are better seen on CTA chest of the same date , which likely reflect aspiration .