Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Port - A - Cath resides over the right chest wall with catheter tip in the region of the lower SVC . There is a large left upper lobe mass which is better assessed on the recent prior chest CT exam and is highly concerning for metastatic disease . Scattered pulmonary nodules are compatible with known metastatic disease . Lung volumes are low which somewhat limits the evaluation . There is elevation of the left hemidiaphragm and compressive atelectasis in the left lower lung . There is mild right basal atelectasis also noted . Heart size can not be assessed . No large pneumothorax .
    OUTPUT:
    
Extensive metastatic disease in the chest with large left upper lobe mass and innumerable small nodules . Bibasilar atelectasis , left greater than right .