Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 views of the chest . The lungs are low in volume with eventration of the right hemidiaphragm . Right midlung opacity on the frontal view projects to the right middle lobe on the lateral view , concerning for pneumonia . Linear left basal atelectasis is noted . There is no pleural effusion or pneumothorax . Heart and mediastinal contours are unchanged with top normal heart size . Notice made of unchanged right posterolateral right 4th rib deformity , likely posttraumatic .
    OUTPUT:
    
Low lung volumes with probable right middle lobe pneumonia . Follow up after treatment can be obtained to document resolution .