Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the last radiograph performed earlier today , there has been interval placement of a tracheostomy tube which terminates approximately 4 cm above carina . The enteric tube and endotracheal tube have been removed . The left sided PICC line is unchanged in position terminating in the distal SVC . Bilateral pleural effusions appear to have improved since the prior CXR performed earlier today , but this may partially be due to patient position . There is no pneumothorax . There are no changes to the cardial mediastinal silhouette .
    OUTPUT:
    
1 . Interval placement of a tracheostomy tube , terminating 4 cm above the carina . 2 . Enteric tube and endotracheal tube have been removed .