Table 2: FNA results for abdominal lymph nodes.

RegionCasesFNA nondiagnostic or false negative
Percent of FNA diagnostically useful

Nodes alone
9366.67
With pancreas
8362.50
With stomach
20100.00
With liver
20100.00
With adrenal
10100.00
With mediastinum
30100.00
With mediastinum
and pancreas
110.00
With other (ascites)
10100.00

Total27770.47

Displayed in this chart are the various regions from which EUS-guided FNA was performed on abdominal lymph nodes either alone or in combination with other organs. Alongside each value is the number of cases that the FNA proved unhelpful (nondiagnostic or false negative) in establishing the patient’s diagnosis.