Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac and mediastinal silhouettes are stable . There is mild central vascular engorgement without overt pulmonary edema . No focal consolidation or pleural effusion is seen . There is no evidence of pneumothorax . Degenerative changes are again seen along the spine .
    OUTPUT:
    
No acute cardiopulmonary process .