Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supine portable AP view of the chest was provided . Tracheostomy tube projects over the upper thoracic midline . Lung volumes are low . There is improved aeration within the lungs . Minimal residual opacity is noted in the right upper lobe abutting the minor fissure which could represent atelectasis or residual pulmonary edema . The lower lungs are well aerated . No effusion or pneumothorax . The cardiomediastinal silhouette is stable . PEG tube projects over the upper abdomen . Bony structures are intact .
    OUTPUT:
    
Overall improvement in pulmonary edema . Minimal residual opacity persists in the right upper lobe abutting the minor fissure .