Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in sitting semi-upright position . Analysis is performed in direct comparison with the next preceding similar study of ___ . Previously identified right - sided PICC line remains in unchanged position . Moderate cardiac enlargement as before . Basal left - sided linear density , similar as on previous preceding examination , is indicative of peripheral atelectasis . On right base , a local pleural density is again seen along the lateral lower wall , identified as well - demarcated pleural lipoma on previous chest CT .
    OUTPUT:
    
No evidence of acute pulmonary infiltrates or significant CHF .