Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bilateral patchy opacities suggestive of pneumonia . No pleural effusions are identified . There is no pneumothorax . Heart is top normal size . The aorta is tortuous and mildly calcified . Multilevel degenerative changes of the thoracic spine are seen .
    OUTPUT:
    
Multifocal pneumonia . Follow up in three to four weeks after treatment is recommended .