Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single upright portable view of the chest demonstrates the lungs are well expanded and clear . The cardiomediastinal silhouette is unremarkable . There is no pleural effusion , pneumothorax , pulmonary edema , or focal consolidation concerning for pneumonia . A probable azygous fissure is noted along the right upper mediastinum .
    OUTPUT:
    
No acute cardiopulmonary process .