Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . There is elevation of the right hemidiaphragm and opacity projecting over the majority of the right lung . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Low lung volumes and mild elevation of the right hemidiaphragm . Right lung opacity raises concern for infection with possible atelectasis . Recommend followup to resolution .