Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to a chest radiograph obtained 2 days prior , there is been a mild increase in pulmonary vascular congestion . Marked elevation of the right hemidiaphragm with an underlying prominent loop of air - filled colon are unchanged . Left lung volume is low , but unchanged . No obvious pleural effusions or other pleural abnormalities . Tracheal deviation is unchanged and consistent with known , large thyroid nodule seen on CTA chest dated ___ . Median sternotomy wires are midline and intact .
    OUTPUT:
    
Increased , moderate pulmonary edema . No radiographic evidence of PE , although chest radiographs are suboptimal for PE evaluation and a CTPA should be considered in the appropriate clinical scenario .