Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is an increased left pleural effusion and interval development of a left lower lobe consolidation , compatible with a left lower lobe pneumonia . Repeat radiographs 4 weeks after treatment are recommended to document resolution . There are stable postsurgical and postradiation changes of the right lung and hilum with chronic elevation of the right hemidiaphragm . There are severe degenerative changes of the partially assessed right shoulder .
    OUTPUT:
    
1 . Left lower lobe pneumonia for which repeat radiographs in 4 weeks after treatment are recommended to document resolution . 2 . Stable postsurgical and postradiation changes of the right lung and hilum .