Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are relatively well expanded and clear without lobar consolidation , pleural effusion , pneumothorax , or pulmonary edema . Mild bibasilar atelectasis is noted . Cardiomegaly is unchanged .
    OUTPUT:
    
Unchanged cardiomegaly , without evidence for acute cardiopulmonary process .