Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable radiograph of the chest demonstrates low lung volumes , with a mild to moderately enlarged heart . Hazy opacification is noted in the right lung base , with air bronchograms . Mild peribronchial cuffing is also noted , compatible with mild edema . There is no pneumothorax . The cardiomediastinal silhouette is unremarkable . Vascular clips along the left upper mediastinum are unchanged compared to the prior study .
    OUTPUT:
    
Right basilar pneumonia . Mild pulmonary edema . Mild cardiomegaly is stable .