Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear and the lung volumes are normal . There is no pleural effusion , pneumothorax or focal airspace consolidation . Heart is normal size . The mediastinal and hilar structures are unremarkable . The known pulmonary nodule is not visualized .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . The known right upper lobe pulmonary nodule is not evaluated and surveillance should be performed as previously recommended , if not already performed .