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A, An example of progressive growth of a single organoid from specimen 778 (day 1: <30 μm, day 5: 45 μm; day 9: 95 μm; day 15: 240 μm). B, An example of stromal elements growing in PDO cultures (P1 culture 791). C and D, Varied growth of individual organoids of PDO culture 778 over 15 days; organoids of more than 100 μm continued to grow (C), organoids of less than 100 μm halted growth (D).
