Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal image of the chest demonstrates low lung volumes , likely secondary to poor inspiration . There is increasing right basilar alveolar opacity and atelectasis . Also seen is increasing left basilar opacity . In this clinical context , these findings are concerning for multifocal pneumonia . There is no pneumothorax . Cardiomediastinal silhouette is unchanged . There are two pigtail catheters noted in the abdomen .
    OUTPUT:
    
Increasing bibasilar opacities , right greater than left concerning in this clinical context for multifocal pneumonia .