A rare cancer was found to have transferred between identical twins through their shared placenta. Genome sequencing revealed that the tumors and blood cells moved between the twins in utero. This case highlights a unique instance of cancer transmission between genetically identical individuals. AI
RANK_REASON The item describes a scientific finding based on genome sequencing related to a rare medical phenomenon. [lever_c_demoted from research: ic=1 ai=0.1]
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