Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior , there is a large opacity overlying the left hemidiaphragm . There is the possibility of an elevated stomach bubble making the diagnosis of diaphragmatic rupture impossible to rule out . Otherwise , the lungs are clear . The left heart border has been silhouetted out . A small right pleural effusion is seen . Otherwise the lungs are clear . There is a compression deformity of unclear chronicity located at the mid to lower thoracic spine better characterized on CT dated ___ .
    OUTPUT:
    
Large dependent left lung opacity silhouetting the left hemidiaphragm and left heart border concerning for a pleural effusion consisting of either simple or complex fluid . Additionally , a lucency concerning for air ( in the shape of a stomach bubble ) is seen abutting the most nondependent aspect of the opacity , raising the remote possibility of a diaphragmatic rupture . The compression deformity in the mid to lower thoracic spine is better characterized on the CT of ___ .