Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear with resolution of the previously noted left lower lobe opacity . There is no pneumothorax or pleural effusion . There is no focal consolidation to suggest underlying pneumonia . The heart size is top normal . There are mild degenerative changes of the lower lumbar spine and right acromioclavicular joint .
    OUTPUT:
    
No acute cardiopulmonary process . Resolution of previously seen left lower lobe opacity .