title: Possible association between radiation exposure and chromosome changes.
mesh_terms: D002869:Chromosome Aberrations; D002901:Chromosomes, Human, 13-15; D002904:Chromosomes, Human, 21-22 and Y; D006801:Humans; D009369:Neoplasms / Q000532:radiotherapy*; D011878:Radiotherapy / Q000009:adverse effects*