Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate mildly hypoinflated lungs . The left lung is clear . Within the right upper lobe there is new subtle opacity . Right lower lobe linear opacity is most consistent with linear atelectasis . No pleural effusion or pneumothorax . Stable mild cardiomegaly . Mediastinal contour and hila are otherwise unremarkable . Aortic arch calcifications are present . Left chest wall dual lead pacing device is again noted .
    OUTPUT:
    
1 . New subtle opacity within the right upper lobe is worrisome for pneumonia . Of note this is similar in location to patient 's recurrent pneumonias dating back to ___ . 2 . Linear right lower lobe atelectasis .