Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient 's known right upper lobe nodule with central areas of cavitation measures approximately 2 .8 x 2 .7 cm , not significantly changed given differences in modality . There is no new focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Known right upper lobe nodule with central areas of cavitation is not significantly changed .