IL1B and cyst: After 16 days of culture, organoids clearly showed a cyst-like morphology rather than a typical alveolosphere morphology in the IL-1β group (Figure 5b), which was also reflected by the quantification of organoid diameter (285.08 μm ± 11.6 μm vs. 145.04 μm ± 9.16 μm) (Figure 5d).