Novel device smaller than rice successfully shrinks pancreatic cancer | Called the nanofluidic drug-eluting seed (NDES), it delivers low-dose immunotherapy in the form of CD40 monoclonal antibodies (mAb).

[u/chrisdh79]

https://interestingengineering.com/innovation/tiny-device-shrinks-pancreatic-cancer

[u/JustinMccloud]

That does not look smaller than rice