Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates stable cardiomegaly . Atelectatic changes are seen at the bilateral lung bases . Small residual right - sided pleural effusion . No pneumothorax or consolidation . Incidental note is made of two radioopaque pills in the stomach .
    OUTPUT:
    
Stable cardiomegaly with small residual right - sided pleural effusion and bibasilar atelectasis .