Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright AP and lateral views of the chest provided . Right IJ access dialysis catheter again seen with catheter extending into the region of the right atrium . Is subtle opacity projecting over the left anterior lung base likely representing a focus of scarring better assessed on prior CT torso . Retrocardiac hazy opacity is only seen on the lateral projection and may reflect underpenetration . No convincing evidence for pneumonia or edema . No large effusion or pneumothorax is seen . Overall cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
No convincing evidence for pneumonia .