En subgrupp, omfattande ca 12% av de patienter som hade normala cytogenetiska utgångsvärden, utvecklade senare avvikelser, däribland monosomi 7, vid rutinmässig, upprepad utvärdering. ###>A subset of approximately 12% of patients who had normal cytogenetic evaluations at baseline were subsequently found to have abnormalities, including monosomy 7, on routine repeat evaluation.