Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The known nodular opacity within the left lower lung is not as well demonstrated on this conventional radiograph . There are no focal consolidations seen to suggest acute infectious process . There is persistent elevation of the right hemidiaphragm that is likely related to eventration . There is no evidence of pneumothorax or pleural effusions . The heart is unchanged in size . There is no evidence of pneumoperitoneum below the diaphragms . Mild degenerative change is present within the thoracic spine and there is mild - to - moderate degenerative change about the right acromioclavicular joint .
    OUTPUT:
    
No acute intrathoracic process . Previously identified nodular density within the left lower lobe on prior CT is less well seen on the current conventional radiographs .