Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large left - sided pleural effusion has increased in size compared to the prior studies . Obscuration of the left hemidiaphragm and the left heart border from collapse of the left lower lobe and lingula is seen , and shift of mediastinum to the left is more prominent . Superimposed infection can not be excluded . Right lung appears well expanded and clear without focal consolidation . There is no right - sided pleural effusion .
    OUTPUT:
    
Increased large left - sided pleural effusion and left lung collapse . An underlying consolidation masked by the effusion and atelectasis can not be excluded .