Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been no significant change since the most recent radiograph of ___ . The heart size and mediastinum are stable . Lungs are clear without focal consolidation , pleural effusion , or pneumothorax . Opacity overlying the left hemi thorax is probably due to soft tissue attenuation and patient rotation .
    OUTPUT:
    
No acute intrathoracic process . Specifically , no focal consolidation concerning for pneumonia .