Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post sternotomy . The cardiac , mediastinal and hilar contours appear unchanged including moderate cardiomegaly . Increasing opacities are noted at the lung bases , greater on the right than left , with a small pleural effusion on the right . A mild interstitial abnormality suggest somewhat worsening pulmonary edema .
    OUTPUT:
    
Findings suggest mild , somewhat increased pulmonary edema . Possible developing opacities at the lung bases , greater on the right than left , potential areas of coinciding pneumonia . Re-evaluation with short - term follow - up radiographs is suggested .