Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest were provided . A large mass is redemonstrated in the right upper lobe without significant overall change in appearance . There is a persistent small right pleural effusion with right basilar atelectasis and elevation of the right hemidiaphragm . The left lung is unchanged . Overall , cardiomediastinal silhouette is stable with coronary stents partially imaged . Bony structures are intact . Clips in the right upper quadrant noted .
    OUTPUT:
    
Large right upper lobe mass again seen with small right pleural effusion and right basal atelectasis . No definite acute changes to account for the patient 's symptoms .