Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly has increased from ___ study . Mild vascular congestion and pulmonary edema is seen . A round left lower lobe nodule is seen on PA and lateral imaging , not seen on ___ study , which requires follow - up imaging for further characterization .
    OUTPUT:
    
1 . Moderate cardiomegaly with mild vascular congestion and pulmonary edema . 2 . Round 2 .8 cm left lower lobe nodule that requires follow - up imaging for further characterization .