Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Dialysis catheter is in unchanged position with catheter tip in the region of the lower SVC . A subcutaneous ICD is again seen projecting over the left lower chest wall with lead extending into the anterior subcutaneous tissues of the mid chest . There is mild hilar congestion and interstitial edema without significant change . No focal opacity concerning for pneumonia . No large effusion or pneumothorax . Overall cardiomediastinal silhouette is unchanged . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Congestion with mild interstitial edema unchanged . No convincing signs of pneumonia .