Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is left lower lobe opacity , with subtle suggestion of air bronchograms on the frontal view , worrisome for pneumonia . Subtle patchy right base opacity may be due to atelectasis or additional site of consolidation . No large pleural effusion or pneumothorax is seen . There is a right middle lobe linear atelectasis / scarring . There has been interval removal of a left - sided central venous catheter . Cervical spine hardware is noted but not well evaluated on this chest radiograph study . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Left lower lobe pneumonia . Subtle patchy right base opacity may be due to atelectasis or ___ site of consolidation .