A) CRCR4; relapse-free survival (RFS) period (24.2 mo). Amino acid CATSMRTGDYNEQFF, TRBV15/TRBJ1-7 clone is identical between primary and recurrent tumors. B) CRCR9; RFS period (2.9 mo). Diversity is expanded and no identical clone was observed between primary and recurrent tumors.