Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large bilateral layering pleural effusions are essentially unchanged compared to the prior study of ___ . Significant adjacent atelectasis or collapse is likely . The aorta is tortuous and heavily calcified . The tracheostomy tube tip ends 6 .2 cm from the carina . The left - sided PICC line ends in the mid SVC . There is no pneumothorax or pulmonary vascular congestion .
    OUTPUT:
    
Unchanged large bilateral layering pleural effusions .