Chemotherapy leaves early genomic fingerprints in childhood tumors
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Nearly half of childhood tumors treated with common types of chemotherapy showed detectable DNA changes linked to treatment within 18 months, according to a new international study led by The Hospital for Sick Children (SickKids). Researchers say these changes could eventually help clinicians spot treatment resistance earlier, before cancer returns or spreads, opening the door to a more precise use of chemotherapy.
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