　「もし結核性のモノだとすると、仮令今仰ったような根本的な手術をして、細い溝を全部腸の方へ切り開いてしまっても癒らないんでしょう」

If that is tubercular, then you say it to operate basically that was don't cured to cut thin way all to the intestines.

添削

"If this is tuberculosis, even if the fundamental surgery mentioned earlier is performed and all the narrow grooves are cut open towards the intestine, it would not be cured."

"If it is tubercular, even if a fundamental surgery, such as the one mentioned earlier, is performed and all the narrow grooves are cut open towards the intestine, it would not be cured."

「結核性なら駄目です。それからそれへと穴を掘って奥の方へ進んで行くんだから、口元だけ治療したって役にゃ立ちません」

If it is all over to be tubercular. One after another it dig in hole toward the depths so that surface of remedy is useless.

添削

"If it's tuberculosis, it won't do any good. Besides, since you're digging a hole and going deeper and deeper, just treating the surface won't be of any use."

"If it's tuberculosis, it's no good. Since you dig one hole after another and proceed towards the depths, just treating the mouth won't be effective."