Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to chest x-ray in the morning ( 4 : 13 am ) , there are no major interval changes . Lung volume is still low with new right base linear atelectasis . There is no pleural effusion . The cardiomediastinal silhouette is unchanged . The multiple rib fractures , left lung and pneumothorax are not visible in the CXR . There is no evidence of tension pneumothorax . Mild increase of vascular congestion .
    OUTPUT:
    
New right base linear atelectasis with mild increase of vascular congestion . There is no sign of pneumothorax .