Text this: Real world experience of R-CHOP with or without consolidative radiotherapy vs DA-EPOCH-R in the first-line treatment of primary mediastinal B-cell lymphoma

__    __    ______    ______    ______    ______  
\ \\ / //  /_   _//  /_   _//  /_   _//  /_   _// 
 \ \/ //    -| ||-   `-| |,-    -| ||-     | ||   
  \  //     _| ||_     | ||     _| ||_    _| ||   
   \//     /_____//    |_||    /_____//  /__//    
    `      `-----`     `-`'    `-----`   `--`