Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Analysis is performed in direct comparison with the next preceding similar study of ___ . The heart size is at the upper limit of normal variation , but no typical configuration abnormality can be identified . Thoracic aorta is mildly widened and elongated but no local contour abnormalities or advanced wall calcifications are seen . The pulmonary vasculature is characterized by relatively prominent central vessel and some irregularity in the peripheral vascular distribution , all compatible with some evidence of COPD . Acute parenchymal infiltrates , however , can not be identified . The lateral and posterior pleural sinuses are free from any significant fluid accumulation . No evidence exists in the apical area on the frontal view . Skeletal structures of the thorax grossly within normal limits . Comparison is extended to seven preceding PA and lateral chest examinations beginning ___ to now . At no point was there any significant interval change in the appearance of the findings . On all studies , the heart size was observed to be at the upper limit of normal variation . According to history , the patient had undergone right coronary artery single vessel angioplasty intervention at another institution . An additional finding made on the chest x-ray is that the patient is very adipose with large soft tissue structures surrounding the thorax .
    OUTPUT:
    
Stable chest findings . No signs of acute pulmonary infection or acute CHF with pulmonary congestion .