Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient upright position . Analysis is performed in direct comparison with the next preceding portable chest examination of ___ . The heart size is not enlarged . The thoracic aorta is generally widened and elongated but no local contour abnormalities or wall calcifications are identified . The pulmonary vasculature is not congested . No evidence of acute discrete local pulmonary parenchymal infiltrates are present and the lateral and posterior pleural sinuses are free from any fluid accumulation . Pulmonary vasculature is not congested . No evidence of pneumothorax in the apical area . Skeletal structures of the thorax are grossly unremarkable . In comparison with the next preceding chest examination of ___ , the patient at that time had bilateral basal atelectasis indicative of shallow inspiration . Findings do not exist anymore .
    OUTPUT:
    
No evidence of CHF or acute infiltrates in this ___-year - old male patient with productive cough and hypoxemia .