Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior , there has been no significant interval change . Right chest wall port and left chest wall dual lead pacing device are again seen . Partially loculated right - sided pleural effusion persists . Probable small left effusion is partially loculated laterally . Right basilar opacities medially may be due to atelectasis , similar to prior . The cardiomediastinal silhouette is unchanged , mitral valve prosthesis again noted . Surgical clips seen in the right upper quadrant . No acute osseous abnormalities .
    OUTPUT:
    
No significant interval change . Bilateral effusions . Right medial basilar opacity potentially atelectasis noting that infection is not excluded .