Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright portable chest radiograph obtained . Dialysis catheter is in unchanged position . There is slight increased consolidation at the right lung base , which could reflect effusion and / or consolidation / pneumonia . There is stable appearance at the left lung base . No pneumothorax . Evaluation for mild fluid overload is limited , though likely present . Bony structures are intact . Heart and mediastinal contours overall unchanged .
    OUTPUT:
    
Increasing opacity at the right lung base which may represent a combination of effusion and pneumonia .