Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mildly decreased lung volumes are noted . An area of near consolidation is seen only on the lateral projections and without a correlate on the anterior - posterior view . There is no pleural effusion , pneumothorax , or pulmonary edema identified . The heart size is at the upper limits of normal , but without evidence of pulmonary vascular congestion . Mediastinal contours are normal . An old , healed left rib fracture is noted .
    OUTPUT:
    
Possible pneumonia . Follow up radiographs are advised in ___ weeks following the completion of antibiotic therapy to demonstrate resolution . If more certain diagnostic evidence is required , oblique views can be obtained .