Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral radiographs of the chest demonstrate persistent low lung volumes with patchy bibasilar opacities , likely due to atelectasis and small bilateral pleural effusions which are stable since the prior study . The cardiomediastinal silhouette is unchanged , and there is no new opacification worrisome for pneumonia . Mild pulmonary vascular congestion is stable since the prior study . A right PICC is unchanged in position , terminating in the low SVC . There is no pneumothorax .
    OUTPUT:
    
Bibasilar atelectasis and small bilateral pleural effusions are stable since the prior study .