Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right basilar opacity is in part due to pleural effusion which may be partially loculated and appears larger when compared to prior . Pleural - based catheter is in unchanged position compared to prior . There may also be a small left pleural effusion given blunting of left costophrenic angle . Left upper lung opacity has not significantly changed since priors . Cardiomediastinal silhouette is within normal limits . Dense atherosclerotic calcifications are noted . Left upper extremity vascular stent is visualized .
    OUTPUT:
    
Right basilar opacity likely in part due to right - sided pleural effusion which appears partially loculated and slightly larger compared to prior . Likely some component of at adjacent atelectasis . Infection can not be excluded .