Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable semi upright view of the chest . Lung volumes are low with overlying EKG leads present somewhat limiting underlying assessment . There is left lower lung streaky opacity as on prior which is most compatible with atelectasis . No large effusion or pneumothorax is seen . No convincing signs of edema . Cardiomediastinal silhouette is stable . Bony structures are intact . A TIPS stent projects over the right upper quadrant .
    OUTPUT:
    
Left basal atelectasis . No convincing evidence for pneumonia .