Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are well expanded multifocal opacities in the lower lobes and in the lingula largest in the lingular consistent with multifocal pneumonia . . Mediastinum and hila are normal . The heart is mildly enlarged in the left heart border is obscured . A left anterior fourth rib expansile deformity may represent an old fracture although is not seen on prior examinations .
    OUTPUT:
    
1 . Multifocal pneumonia . 2 . Left fourth anterior rib deformity may represent a chronic fracture although CT chest is recommended to exclude osseous malignancy .