B. Pancreatic cancer.

B-ultrasound can detect pancreatic cancer, pancreatic cancer malignant degree is high, once diagnosed should be actively treated. Suggestions: for the occurrence of abdominal pain, weight loss and gastrointestinal bleeding symptoms of the crowd, need to go to the local regular hospital digestive department for treatment, B-ultrasound examination, for pancreatic cancer diagnosis positive rate can reach 60 to 90%.