Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph is rotated , somewhat limiting the evaluation . There is a grossly unchanged right upper lobe mass . There is slight increase in right middle lobe opacity likely reflecting tumor involvement . The pulmonary vasculature is normal . There is no effusion or pneumothorax . The cardiac silhouette is normal in size , mediastinal widening is unchanged .
    OUTPUT:
    
Large right upper lobe mass , with no acute chest abnormality .