Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is small area of consolidation in the left lung base in retrocardiac region which may be atelectasis , however pneumonia is possible in correct clinical setting . Cardiac silhouette is again accentuated by low lung volume . There is no pulmonary edema . Left PICC terminates in low SVC .
    OUTPUT:
    
There is small area of consolidation in the left lung base which may be atelectasis , however pneumonia is possible in correct clinical setting .