Advances in the evaluation of sample adequacy during endoscopic ultrasound‐guided tissue acquisition

This Editorial refers to the article by K. Matsumoto et al., p 970-976 of this issue. In recent years, the diagnosis of pancreatic tumors has entered a major transformation period from cytological diagnosis to histological diagnosis in the era of genomic medicine. Since the usefulness of endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) was reported by Vilmann et al. in 1992, various methods have been investigated to improve...