Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . The heart size is within normal limits . No typical configurational abnormality is identified . Thoracic aorta mildly widened but no local contour abnormalities or wall calcifications are seen . The pulmonary vasculature is not congested . No evidence of acute parenchymal infiltrates is seen and the lateral and posterior pleural sinuses are free . No pneumothorax in the apical area on the frontal view . Skeletal structures of the thorax grossly within normal limits . There exists no prior chest examination or records available for comparison .
    OUTPUT:
    
Normal chest findings in this ___-year - old male patient recently diagnosed with ultrasound and phlebography for having a posterior tibial vein thrombosis . Although there is no evidence of any pulmonary infarction , pleural effusion , or local pulmonary vascular ischemia seen on the plain chest examination , this does not rule out the possibility of pulmonary embolism . There exists no prior chest examination or records available for comparison .