Conclusion: There is no obvious lymphatic hyperplasia and up-regulation of VEGF-C in acute inflammatory tissue. The opening lumen is just a change caused by functional adaptation.

结论：急性炎症不仅没有明显的淋巴管增生，而且也没有明显的VEGF - C表达增高，管腔增大仅是适应功能的改变。

youdao

Called pseudocysts, these noncancerous (benign) pockets of fluids are lined with scar or inflammatory tissue, not the type of cells found in true cysts.

CNN: Pancreatic cysts

The main culprit in the cinnamon powder is actually derived from tree bark and contains cellulose, an undigestible fiber capable of producing a strong inflammatory response in lung tissue, leading to long term wheezing and a chronic cough, potentially placing patients at further risk for bouts of pneumonitis or even aspiration pneumonia.

FORBES: An ER Doctor's Perspective on "The Cinnamon Challenge": Don't Even Think of Doing It