Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The previously described focal opacity in the mid left lung is again seen and is smaller and more discrete in appearance . There are multiple small opacities throughout both lung fields which possibly represent a multifocal infectious process . There is cephalization of the pulmonary vasculature . The pleural surfaces are within normal limits and no effusion or pneumothorax is seen . Also seen is a compression fracture of the thoracic spine , unchanged in appearance from the chest radiograph on ___ .
    OUTPUT:
    
1 . Multiple small opacities throughout both lung fields that possibly represent a multifocal infectious process . 2 . Compression fracture in the thoracic spine , unchanged appearance from ___ .