A prospective clinicopathologic study of venous invasion in colorectal cancer.

@article{Shirouzu1991APC,
  title={A prospective clinicopathologic study of venous invasion in colorectal cancer.},
  author={Kazuo Shirouzu and Hiroharu Isomoto and Teruo Kakegawa and Minoru Morimatsu},
  journal={American journal of surgery},
  year={1991},
  volume={162 3},
  pages={
          216-22
        }
}
We performed a long-term prospective study on venous invasion of colorectal cancer. The degree of venous invasion was divided into four stages (V0 through V3). Venous invasion was classified into three types by location (Vx, Vy, and Vz). Hepatic metastasis occurred in 27%, 33%, and 20% of patients with V2, V3, and Vz tumors, respectively. Local recurrence occurred in 33% and 15% of the V3 and Vz groups, respectively. However, there were no significant differences among the groups in terms of… Expand
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