Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac and mediastinal silhouettes are unremarkable . There is a surgical suture line in the left chest obliquely oriented over the upper third . There is no consolidation within the lungs . No effusion . No pneumothorax . Minor degenerative changes are present within the spine .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .