Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild vascular congestion , left lingular opacities and heterogeneous parenchymal abnormality are new since ___ . Right lower lobe opacities appear relatively similar compared to the ___ radiograph . No pleural effusion or pneumothorax . The cardiac and mediastinal contours are stable .
    OUTPUT:
    
New lingular opacity and heterogeneous parenchymal abnormality are concerning for atypical pneumonia or early heart failure .