Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable frontal upright radiograph of the chest . Compared to the prior study there is stable heart size and tortuosity of the aorta . The right upper lung mass is again seen measuring approximately 4 .5 cm . There is a small right pleural effusion and trace left pleural effusion with associated atelectasis . No pulmonary edema .
    OUTPUT:
    
1 . Small right and trace left pleural effusions . 2 . Right upper lung mass should be further evaluated with chest CT if not previously evaluated . 3 . No edema .