TY  - GEN
AU  - Sakata,Jun
AU  - Shirai,Yoshio
AU  - Wakai,Toshifumi
AU  - Ajioka,Yoichi
AU  - Akazawa,Kouhei
AU  - Hatakeyama,Katsuyoshi
TI  - Assessment of the nodal status in ampullary carcinoma: the number of positive lymph nodes versus the lymph node ratio
SN  - 1432-2323
PY  - 2011///1223
KW  - Adult
KW  - Aged
KW  - Aged, 80 and over
KW  - Ampulla of Vater
KW  - pathology
KW  - Analysis of Variance
KW  - Cohort Studies
KW  - Common Bile Duct Neoplasms
KW  - mortality
KW  - Disease-Free Survival
KW  - Female
KW  - Follow-Up Studies
KW  - Humans
KW  - Lymph Node Excision
KW  - statistics & numerical data
KW  - Lymph Nodes
KW  - Lymphatic Metastasis
KW  - Male
KW  - Middle Aged
KW  - Multivariate Analysis
KW  - Neoplasm Invasiveness
KW  - Neoplasm Staging
KW  - Palliative Care
KW  - methods
KW  - Pancreaticoduodenectomy
KW  - Predictive Value of Tests
KW  - Proportional Hazards Models
KW  - Retrospective Studies
KW  - Risk Assessment
KW  - Survival Analysis
KW  - Time Factors
N1  - Publication Type: Comparative Study; Journal Article
UR  - https://doi.org/10.1007/s00268-011-1175-7
ER  -