Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Midline sternotomy wires are again seen . Lung volumes are somewhat low . There is hilar congestion and mild interstitial pulmonary edema . No large pleural effusion is seen . A nodular opacities again seen projecting over the right upper lung better assessed on recent CT . This nodule measures approximately 17 mm in diameter . Heart appears top - normal in size . Aortic knob is calcified . Mediastinal and hilar contours appear stable . No acute bony abnormalities are seen .
    OUTPUT:
    
1 . Mild congestion and edema . 2 . Right upper lobe nodule measuring 17 mm as on recent outside hospital chest CT . Given size of this right pulmonary nodule , a PET - CT is recommended .