Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstrated is a pacemaker with a single lead located in the region of the right ventricle , as well as a tracheostomy tube in an unchanged position . A right - sided PICC line is seen with the tip at the level of the cavoatrial junction . There is a left lower lobe consolidation with an associated small left pleural effusion , now somewhat improved as compared to the prior examination . Mild , rounded atelectasis is seen in the right lower lobe . There is no evidence of pneumothorax or pulmonary edema . The cardiomediastinal and hilar contours are stable .
    OUTPUT:
    
1 . Left lower lobe consolidation with associated small left pleural effusion , improved since the prior examination . 2 . Mild , rounded atelectasis seen in the right lower lobe .