Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the chest radiograph obtained approximately 3 weeks prior , there is a new moderate left pleural effusion . Calcified right upper lobe pulmonary nodules appear unchanged in size since at least ___ . Lungs are otherwise fully expanded and clear without focal consolidation . Cardiomediastinal and hilar silhouettes are normal . Median sternotomy wires are unchanged in position and intact .
    OUTPUT:
    
New moderate left pleural effusion . Otherwise unchanged chest radiographs .