“…The fact is that neoadjuvant CT or RT provide few pathological complete responses (pCR), between 2% and 10% (2,8,(10)(11)(12), although neoadjuvant CRT produces between 16% and 43% pCR, usually around 30% (2,8,(13)(14)(15)(16). These 30% pCR are embedded in the 50% or more clinical complete responses (cCR) (17)(18)(19).…”