1. 18 years old or older

2. Newly discovered pancreatic cancer and not a relapse

3. Diagnosed with pancreatic cancer via EUS-FNA, EUS-FNB before surgery

4. who is in need of neoadjuvant chemotherapy before surgery

5. Patients who can undergo surgery for pancreatic cancer after neoadjuvant chemotherapy

6. Diagnosed with pancreatic cancer from the final tissue pathology diagnosis after surgery

7. Able to make decisions for oneself for participation

8. Has obtained voluntary consent in written form (if 70 years of age or older, receive consent from the guardian as well)

Development of a Prediction Platform for Neoadjuvant Treatment and Prognosis in Pancreatic Cancer Using Organoid