The influence of total nodes examined, number of positive nodes, and lymph node ratio on survival after surgical resection and adjuvant chemoradiation for pancreatic cancer: a secondary analysis of RTOG 9704.
Showalter
Timothy N
TN
Department of Radiation Oncology, Jefferson Medical College, Thomas Jefferson University, Philadelphia, PA 19107, USA.
Winter
Kathryn A
KA
Berger
Adam C
AC
Regine
William F
WF
Abrams
Ross A
RA
Safran
Howard
H
Hoffman
John P
JP
Benson
Al B
AB
MacDonald
John S
JS
Willett
Christopher G
CG