Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Abnormal contour at the gastroesophageal junction corresponds to known metastatic lesion seen on previous CT . There is worsening opacification of the left lung base , a component of which is attributable to confluent metastatic disease with atelectasis in the lingula , but infection is strongly suspected . Additionally there is a small left pleural effusion . Linear atelectasis in the right lung base is also demonstrated . There is no pneumothorax . No acute osseous abnormalities detected . Partially imaged in the left upper quadrant of the abdomen is a percutaneous gastrostomy catheter .
    OUTPUT:
    
Worsening left basilar opacification concerning for infection superimposed on a background of confluent metastatic disease and atelectasis in the lingula . Small left pleural effusion .