Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ETT is in standard position . The right pigtail catheter also appears intact and unchanged in position projecting over the right aspect of the mediastinum in the lower hemithorax . The enteric tube crosses the midline and the is tip is not seen . The stomach is nondistended . Bilateral pulmonary edema has markedly improved since ___ and minimally improved since ___ , now mild in severity . Persistent focal right upper lobe opacity could represent concurrent pneumonia . Hazy opacification blunting of the left costophrenic angle is overall similar and suggest persistent small left pleural effusion . No definite right pleural effusion . Mild to moderate cardiomegaly persists and is unchanged . The mediastinum is not widened . No pneumothorax . Aortic knob calcifications are re - demonstrated . Dextroconvex scoliosis of the thoracic spine is unchanged .
    OUTPUT:
    
Improving , now mild , pulmonary edema with persistent right upper lobe opacity which could represent concurrent pneumonia .