primary gastric cancer的用法和樣例：
例句
- With the development of endoscopic techniques, more and more early gastric cancers can be treated endoscopically.
摘要隨著(zhù)內鏡技術(shù)的不斷進(jìn)步，越來(lái)越多的早期胃癌可經(jīng)內鏡下治療。 - We consider the mucosa and submucosa carcinoma without lymphatic metastasis as early gastric carcinoma.
作者認為，位于粘膜和粘膜下層的胃癌，只有無(wú)周?chē)馨徒Y轉移者，才能稱(chēng)為早期胃癌。
