system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Endoscopic ultrasound is extremely useful in staging which tumor?
assistant
The correct answer is  Ans. (b) Cancer esophagusRef: Bailey and Love 26th Edition, Page 990EUS helps in diagnosis and staging of:* Esophageal cancer (Most useful)* Rectal cancer* Gastric cancer* Pancreatic head cancer.