Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest show multiple surgical clips along the right side of the trachea at the level of the right thyroid bed . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . The pulmonary vasculature is not engorged . The cardiac silhouette is top normal in size . Fullness in the right paratracheal region corresponds to known mediastinal cyst from CT of ___ . The mediastinal and hilar contours are unchanged from the preceding radiograph .
    OUTPUT:
    
No acute cardiopulmonary process . Unchanged appearance of known mediastinal cyst .