Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is rotated somewhat to the right . There are relatively low lung volumes . Again , the right hemidiaphragm is elevated with right base atelectasis seen . Medial right base opacity is felt to more likely represent atelectasis than pneumonia . Cardiac and mediastinal silhouettes are stable , particular in comparison to ___ . Central pulmonary vascular engorgement is seen . No pleural effusion or pneumothorax is seen . Skin fold overlies the left hemi thorax .
    OUTPUT:
    
Low lung volumes . Central pulmonary vascular engorgement . Elevated right hemidiaphragm with right base atelectasis . Medial right base opacity is felt to more likely represent atelectasis than pneumonia .