Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A new heterogeneous areas of consolidation have developed in the mid and lower lungs bilaterally , most confluent at the left lung base . Heart is upper limits of normal in size and stable compared to the previous study . Mild pulmonary vascular congestion is new . No pleural effusion . Bones are diffusely demineralized .
    OUTPUT:
    
New mid and lower pole lung consolidations , left greater than right , concerning for multifocal pneumonia . Consider follow up chest x-rays in ___ weeks after completion of antibiotic therapy to ensure resolution .