Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is unchanged . There has been interval placement of a right chest central line whose distal tip projects over the lower SVC . The bilateral hila are normal . The left basilar opacity obscuring the left hemidiaphragm is unchanged , consistent with a layering left pleural effusion as seen on prior exams . There are no new focal lung consolidations . There is no evidence of pulmonary vascular congestion . There is no pneumothorax .
    OUTPUT:
    
Interval placement of right chest central line with distal tip projecting over the low SVC . Otherwise , unchanged chest radiograph .