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 portable chest examination of ___ . The heart size remains within normal limits . No configurational abnormalities are identified . The entire thoracic aorta is generally widened and moderately elongated , but there is no evidence of local contour abnormalities . A few wall calcifications are seen at the level of the arch . The pulmonary vasculature is not congested . No signs of acute or chronic pulmonary parenchymal infiltrates are present and the lateral and posterior pleural sinuses are free . No pneumothorax in the apical area . Skeletal structures of the thorax grossly unremarkable . There exists , however , some metallic surgical hardware in the left humerus .
    OUTPUT:
    
No evidence of cardiac enlargement , pulmonary congestion or acute infiltrates in this patient with history of the thrombocytosis .