Laparoscopic colorectal surgery for cancer in developing countries could be safe and feasible. Safe reuse of disposable expensive parts of some laparoscopic instruments could help in propagation of this technique in developing countries.
After CO(2) pneumoperitoneum, tumors have less TNFalpha and MIF expression and less NFkappaB activity than after laparotomy. This may be associated with less tumor growth, supporting minimal invasive techniques in gastrointestinal oncologic surgery.
The expression of EGFR, HER2, and survivin increased after each surgical procedure. However it was lower after CO(2) pneumoperitoneum than after laparotomy. This might be associated with changes in the chemosensitivity of the remnant cancer cells after surgery, supporting the use of minimally invasive surgery for cancer.
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