Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly has increased in size compared to prior exam from ___ . There is mild - to - moderate pulmonary edema . There is subtle increase in opacity overlying the left lower lobe concerning for an infectious process . There is no evidence of a pneumothorax . The visualized osseous structures are unremarkable .
    OUTPUT:
    
1 . Mild cardiomegaly with worsening mild - to - moderate pulmonary edema is concerning for heart failure . 2 . Increase in opacity overlying the left lower lobe is concerning for an infectious process .