Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . The cardiac silhouette is mildly enlarged . The pulmonary vasculature is unremarkable . In the left upper lobe , there is a new focal area of consolidation , concerning for pneumonia . Mild left basilar atelectasis is noted . There is no pleural effusion or pneumothorax . Any electronic device projects over the left mid anterior chest wall . Mild elevation of the left hemidiaphragm persists . Patient is status post median sternotomy and CABG . Clip is noted within the upper abdomen , just to the right of midline .
    OUTPUT:
    
New focal consolidative opacity in the left upper lobe concerning for pneumonia .