Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph ___ at 02 : 50 is submitted .
    OUTPUT:
    
Stable bilateral parenchymal opacities compatible with known metastatic disease , although given that it is more confluent at the right base , superimposed pneumonia or aspiration should also be considered . Probable layering right effusion or pleural thickening . Left Port - A - Cath unchanged in position . No pneumothorax . Asymmetric right apical pleural thickening could reflect post radiation changes or metastatic pleural involvement and / or loculated fluid .