Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Sternotomy wires are intact and aligned . Bilateral interstitial and airspace opacities are not appreciably changed . A right upper lobe mass - like scar should be evaluated in light of the patient 's clinical history . Mild cardiomegaly despite the projection is stable . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
No significant interval change in mild pulmonary edema and mild cardiomegaly . Right upper lobe mass - like scar should be evaluated in light of the patient 's clinical history . A chest CT may be obtained for further evaluation if clinically warranted .