chapter 58 I still want to ask you

After speaking, Dennis sterilized the knife according to the method of Western medicine and then began to operate.
The sharp lancet went down, only separating the wound the size of a little finger.
"Can such a small wound remove the tumor?"
Judging from the film, the patient's tumor was at least the size of an egg. How to remove it with such an incision?
Dennis did not explain, but took out the needle bag he carried with him, took out the most prolonged and thickest silver needle, and...