Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the recent chest x-ray on ___ , the NG tube has been removed . Again noted is left greater than right lung base atelectasis . There is also a small left pleural effusion , which appears to be new . No evidence of pneumothorax . Stable mild cardiomegaly .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . New small left pleural effusion .