Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Midline sternotomy wires again noted . Interval removal of a right IJ introducer and right PICC line . Calcified lymph node projects over the right mediastinal border . Lungs are hyperinflated with upper lobe lucency suggesting emphysema . Retrocardiac opacity persists which could represent pneumonia . There is mild interstitial prominence in lower lungs which could reflect mild interstitial edema . Small bilateral pleural effusion is difficult to exclude . Cardiomediastinal silhouette appears stable . Bony structures are intact .
    OUTPUT:
    
Findings as above .