Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is of normal size with normal cardiomediastinal contours . Lung volumes are low . Right hilar ill - defined opacity is stable , compatible with known lymphadenopathy . Left pleural effusion and adjacent atelectasis is similar to prior . No pneumothorax . Catheter of a right chest wall port terminates in the low SVC .
    OUTPUT:
    
Low lung volumes . Unchanged right hilar opacity and left effusion with adjacent atelectasis .