Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A worsening opacity in the right lower lung is likely a pneumonia . There is persistent leftward mediastinal shift consistent with left lower lobe collapsed . Mild bilateral pulmonary edema is unchanged . Small bilateral pleural effusions are unchanged . Cardiac size is unchanged . There is no pneumothorax . Left PICC terminates in the mid SVC .
    OUTPUT:
    
Worsening right lower lung opacity likely a pneumonia .