Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Somewhat limited exam due to patient rotation . The lungs are well expanded and clear . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette appears much wider than on prior exam , likely due to differences in rotation . The stomach is large and gas filled .
    OUTPUT:
    
Somewhat limited exam due to patient rotation . No acute cardiopulmonary process .