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Scientists Create World's First Lab-Grown Organ That Works Inside a Human Body

Based on real 2026 news — Scientists from Great Ormond Street Hospital and University College London created the first lab-grown oesophagus that can safely replace a full section of the organ and restore normal function. The breakthrough uses a patient's own cells grown on a scaffold, eliminating rejection risk. This opens the door for growing replacement organs for children born with defects.