Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are reduced . Compared to the most recent exam , there is increased patchy opacity in the right lower lobe , best seen on the frontal views . Left basilar atelectasis is also noted . Due to the patient 's kyphosis and scoliosis , the lateral views are very limited . Heart size is mildly enlarged . Mediastinal and hilar contours are unchanged . There is no edema , pleural effusion or pneumothorax .
    OUTPUT:
    
Right lower lobe patchy opacity may reflect atelectasis , but pneumonia is not excluded in the correct clinical setting .