Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Focal area consolidation bordering the left diaphragmatic surface concern for left lower lobe pneumonia . Mild cardiomegaly and central pulmonary vascular congestion , stable from ___ . Cardiomediastinal contours and hilar structures are normal .
    OUTPUT:
    
Possible left lower lobe pneumonia , new since ___ . Persistent mild cardiomegaly .