Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Port - A - Cath resides over the right chest wall with catheter tip in the region of the mid SVC . Bilateral pleural effusions are moderate to large and associated with compressive lower lung atelectasis . Difficult to exclude a basal pneumonia . Upper lungs remain aerated . Heart size can not be assessed . Bony structures appear intact .
    OUTPUT:
    
Moderate to large pleural effusions with associated compressive lower lung atelectasis .