Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Dual lead pacemaker projects over the left chest wall with leads extending into the region the right atrium and right ventricle . Surgical clips project over the right upper quadrant . Subtle opacity is seen at the left lung base laterally which could represent pneumonia . Vague ground - glass opacity at the right lung apex is of unclear etiology . Areas of scarring in the right lung also seen with questionable nodularity in the right mid lung for which CT may be performed to further assess . The heart appears top normal in size . Mediastinal contour is normal . Old right upper rib cage deformity is noted . Right AC joint arthropathy noted .
    OUTPUT:
    
Subtle opacity left lung base could represent pneumonia . Vague right apical ground - glass opacity and subtle right mid lung nodularity can be further assessed with CT or if prior CT exams exist , comparison is needed .