Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral chest radiographs are obtained . The position of right apical chest tube , Port - A - Cath , and NG tube is unchanged . Cardiomediastinal contours are stable . There is increased opacification of the left base suggesting increased pleural effusion and surrounding atelectasis . Lungs are otherwise clear . No pneumothorax .
    OUTPUT:
    
Increased opacification of the right base likely represents increased pleural effusion and compressive atelectasis , superimposed consolidation can not be excluded .