Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . Patient is known to have underlying emphysema accounting for hyperinflation and upper lobe lucency . There are ill - defined peribronchovascular opacities in the lower lungs concerning for pneumonia , perhaps slightly progressed from the prior CT chest . No large effusion or pneumothorax is seen . The heart and mediastinal contour appears stable . Clips are noted in the left upper abdomen . Bones appear intact .
    OUTPUT:
    
Emphysema with irregular peribronchovascular opacity in the lower lungs , slightly increased from prior CT exam from 2 days ago , likely reflect worsening pneumonia .