This study is for patients that have been diagnosed with previously untreated, locally advanced, and metastatic pancreatic ductal adenocarcinoma PDAC. This study is testing two treatment regimens: NALIRIFOX (5-fluorouracil, liposomal irinotecan, oxaliplatin, and leucovorin) vs mGAP (gemcitabine, nab-paclitaxel, and cisplatin).
The primary purpose of this study is to see which of the two regimens is more effective in PDAC. Participants will continue on study medications if seeing clinical benefit, and can expect to be on the study for a maximum of 6 months.

This study is for patients with neuroendocrine carcinoma (NEC) originating outside of the lung. This study is being done to see if the combination of atezolizumab, an immunotherapy drug, with a platinum drug (cisplatin or carboplatin) and etoposide better or worse than a platinum drug and etoposide for patients with advance or metastatic neuroendocrine carcinoma originating outside the lung

This study is for patients with cancer in the stomach, esophagus, or gastroesophogeal junction. The study is being done to see if by adding a third chemotherapy drug to the usual combination of two chemotherapy drugs is better or worse than the usual approach for treatment.

The study will compare the effectiveness of endoscopic surveillance and endoscopic eradication therapy (EET) for the management of Barrett's esophagus (BE) and low-grade dysplasia (LGD).

This study is for patients who have had surgery for pancreatic neuroendocrine tumor (pNET). This study is being done to find out if giving chemotherapy after surgery is better or worse than the usual approach for patients that have had surgery for pNET.

This study is for patients with pancreatic cancer. The purpose is to see if researchers can increase the chance of pancreatic cancer staying away by giving them chemotherapy before and after surger