Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tracheostomy tube is not visualized . The right PICC line has since been removed . Otherwise , no significant interval change . Lung volumes remain low . Bilateral platelike atelectasis is overall similar . Low lung volumes gives the appearance of increased pulmonary vascular congestion , which is probably minimally changed from the prior exam . Cardiomediastinal silhouette are unchanged . No pneumothorax or effusion .
    OUTPUT:
    
Tracheostomy tube not visualized and interval removal right PICC line . Otherwise , no significant interval change .