Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . Lung volumes are decreased . The cardiac silhouette is enlarged . There is an increased left lung base opacity , not seen on prior study . No pleural effusion , pneumothorax or pulmonary edema is seen . Mediastinal contours are normal . No bony abnormality is detected .
    OUTPUT:
    
1 . New left lung base opacity , worrisome for pneumonia . 2 . Cardiomegaly without evidence of pulmonary edema . Findings were communicated with Dr . ___ by Dr .___ ___ telephone at the time of discovery at 09 :57 on ___ .