Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A frontal semi-upright view of the chest was obtained portably . Small bilateral pleural effusions with adjacent atelectasis are increased on the left and decreased on the right . The upper lung zones are clear and pulmonary vasculature is within normal limits . The right apical pneumothorax is not seen on this semiupright study . Mild cardiomegaly is unchanged . The left chest wall pacemaker leads are unchanged in position .
    OUTPUT:
    
Small bilateral pleural effusions with adjacent atelectasis , larger on the left and smaller on the right . No edema .