Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild linear opacities in the lung bases likely represent stable mild bronchial wall thickening . Otherwise , the lungs are clear without focal consolidation . There is no pneumothorax . No vascular congestion , pulmonary edema , or pleural effusions are identified . Cardiomediastinal and hilar contours are within normal limits . Interval removal of a right - sided central venous catheter is noted .
    OUTPUT:
    
No acute cardiopulmonary process