Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe cardiomegaly is chronic . The mediastinal and hilar contours are stable . On the lateral view , increased soft tissue density posterior to the trachea is long - standing and may indicate diffuse esophageal abnormality such as esophagitis . The patient is status post CABG . There is no pneumothorax or large pleural fusion . Increased interstitial markings with indistinctness of pulmonary vasculature is consistent with mild pulmonary edema . Additionally , more confluent opacity at the right lung base is consistent with an infectious process . This may be present at the left base as well .
    OUTPUT:
    
1 . Right lower lobe pneumonia with superimposed mild pulmonary edema . 2 . Thickening of the soft tissues posterior to the trachea , concerning for esophagitis .