Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs The lungs are hyperinflated and the diaphragms are flattened , consistent with COPD . Probable mild cardiomegaly . There is upper zone redistribution , without overt CHF . . No focal consolidation or effusion is identified . No pneumothorax is detected . Tiny densities seen in the right lower zone are unchanged compared with ___ MR and the ___ CT scan and are compatible with small calcified granulomas . Density projecting anterior to the spine adjacent to the diaphragm on lateral views compatible with a known small hiatal hernia . Incidental note is made of an old healed left posterior fifth rib fracture . Probable diffuse osteopenia .
    OUTPUT:
    
1 . Probable background COPD . 2 . Mild cardiomegaly and upper zone redistribution , but no overt CHF . 3 . No focal consolidation or fusion . 4 . Probable small hiatal hernia . 5 . Calcified granulomas again noted , unchanged , consistent with prior granulomatous disease . 6 . Probable osteopenia .