Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left PICC terminates in the azygos vein . Interval placement of the tracheostomy tube appears in appropriate position . Surgical suture is noted overlying the left upper lung . Dense right lung base opacity is increased than before and may reflect increased atelectasis . Cardiomediastinal silhouette is normal size . There is probable small right pleural effusion . Displaced lateral right third rib fracture is noted .
    OUTPUT:
    
1 . Malpositioned left PICC terminates in the azygos vein . 2 . Increased right lung base atelectasis .