According CTC to Compare the Influences of Different Methods to Remove the PDAC

To Compare the Influences of Different Methods to Remove the Pancreatic Ductal Adenocarcinoma With the Detection of Circulating Tumor Cells

Acccording circulating tumor cells to compare the differences of different methods(routine method、no-touch principle method、laparoscopy method) to remove the ductal adenocarcinoma of pancreatic body and tail.

Inclusion Criteria:

• Ductal adenocarcinoma of pancreatic body and tail
• Tumor can be removed
• No other tumors and without liver metastases
• Age from 18 to 80 years old

Exclusion Criteria:

• Neoplasms with other sites of the pancreas
• With other tumors of any other sites