Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is residual scarring at the previous region of right middle lobe consolidation . Since prior study , there is now new consolidation in the posterior basilar segment of the left lower lung , concerning for pneumonia . There is no pleural effusion . Cardiomediastinal and hilar contours are stable . Right - sided central catheter terminates in the caval atrial junction .
    OUTPUT:
    
1 . New focal consolidation and bronchial wall thickening in the posterior basilar segment of left lower lobe , suggestive of developing pneumonia . Recommend followup chest x-ray in ___ weeks after completion of antibiotic therapy to document resolution . 2 . Residual scarring at previous right middle pneumonia site .