5-FU	Fluorouracil
AE	Adverse events
ALT	Alanine aminotransferase
AST	Aspartate aminotransferase
CNTs	concentrative nucleoside transporters
CTCAE	Common Terminology Criteria for Adverse Events
CR	Complete response
ENTs	Equilibrative nucleoside transporters
FOLFIRINOX	Chemotherapy regimen containing fluorouracil, folinic acid, irinotecan, and oxaliplatin
MMRI	Molecular magnetic resonance imaging
NP/G	Nab-paclitaxel plus gemcitabine
ORR	Objective response rate
OS	Overall survival
PDAC	Pancreatic ductal adenocarcinoma
PFS	Progression-free survival
PR	Partial response
PRISMA	Preferred Reporting Items for Systematic Reviews
TNBC	Triple-negative breast cancer
TNM	Tumor/Node/Metastasis staging system from the American Joint Committee on Cancer
UTI	Urinary tract infection