Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate similar appearance of a right moderate pleural effusion with adjacent atelectasis . The lungs remain mildly hyperexpanded . There is no new consolidation . The pulmonary vasculature is normal . The cardiac silhouette and mediastinal contours are unchanged . There is marked calcification of the aortic knob . Pectus excavatum , thoracolumbar scoliosis with associated degenerative changes are again noted .
    OUTPUT:
    
Similar moderate right pleural effusion , without acute change , pneumonia , or pulmonary edema .