Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi upright radiograph of the chest demonstrates low lung volumes which results in bronchovascular crowding . There is a small left - sided pleural effusion with adjacent atelectasis . The cardiomediastinal and hilar contours are unchanged . The lower aspect of the right hilus appears enlarged , as before . There is no pneumothorax or evidence of focal consolidation .
    OUTPUT:
    
1 . No pneumonia . 2 . The lower aspect of the right hilus appears enlarged as before . Recommend CT to evaluate this finding further .