Partial serial duplication of the short arm of chromosome 3.
D000015:Abnormalities, Multiple / Q000175:diagnosis / Q000235:genetics; D002648:Child; D002869:Chromosome Aberrations / Q000175:diagnosis / Q000235:genetics*; D025063:Chromosome Disorders; D002900:Chromosomes, Human, 1-3; D006801:Humans; D008297:Male