Sep 112026 Can Pancreatic Cancer Be Detected Early? Symptoms, Biomarkers, and New Tests ATM BRCA1 BRCA2 CA 19–9 CDKN2A Circulating tumor DNA ctDNA DNA methylation. Early pancreatic cancer. Endoscopic ultrasound. EUS Exosomes. Familial pancreatic cancer. Fragmentomics. GI oncology.