Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There are patchy areas of parenchymal opacity in the right upper lobe which is unchanged from ___ . No pleural effusion or pneumothorax . Median sternotomy wires and vascular stent are again visualized . Imaged osseous structures are unremarkable . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Right upper lobe parenchymal opacities are grossly unchanged from ___ . No superimposed acute cardiopulmonary process .