Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval increase in opacity projecting over the right hemi thorax , particularly involving the right mid to lower lung . Findings may be due to large pneumonia and volume loss , worsening of malignant disease , with possible component of radiation . Slight tenting of of the right hemidiaphragm suggests an element of volume loss . No large pleural effusion is seen . There is no pneumothorax . Evidence of COPD is re - demonstrated . The cardiac silhouette is top - normal to mildly enlarged . The aorta is tortuous .
    OUTPUT:
    
Interval increase in right pulmonary opacity the differential diagnosis including pneumonia with superimposed volume loss , worsening of malignant disease , possible component of radiation fibrosis , aspiration not excluded .