Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . In this patient with known COPD plans lung cancer , diffuse interstitial opacities are concerning for edema . The known pulmonary nodular opacities are better visualized on the prior PET - CT scan . Small effusions are difficult to exclude . The heart appears mildly enlarged . Aortic atherosclerotic calcifications noted . No acute bony injuries .
    OUTPUT:
    
Mild cardiomegaly with interstitial pulmonary edema and probable small bilateral pleural effusions . Pulmonary nodular opacity seen on prior PET - CT scan poorly visualized on this chest radiograph .