Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Exam is limited secondary to body habitus and low inspiratory effort . However , when compared to prior , there is increased right basilar opacity silhouetting the hemidiaphragm suspicious for effusion . There are also hazy opacities in lungs suggesting pulmonary edema . There is no large left effusion . Cardiac silhouette is difficult to assess as its right margin is not visualized .
    OUTPUT:
    
Progression of pulmonary edema . Right basilar opacity silhouetting the hemidiaphragm could be due to effusion , underlying infection not excluded .