癌性溃疡（cancerous ulcer)

恶性溃疡(Malignant ulcer)是指

A．长期不愈合的溃疡

B．严重的溃疡

C．大面积溃疡

D．癌性溃疡及溃疡癌变

E．放射操作性溃疡

恶性溃疡(Malignant ulcer)是指

A.严重的溃疡

B.癌性溃疡及溃疡癌变

C.大面积溃疡

D.长期不愈合的溃疡

E.放射损伤性溃疡

应激性溃疡(stress ulcer)

What would be the best title for the text？

A．The Genetic Code of Cancerous Tumor

B．New Development of Cancer Therapy

C．Probe into Targeted Cancer Therapy

D．Different Approaches to Cancer Therapy

A.癌性溃疡

B.结核性溃疡

C.创伤性溃疡

D.坏死性涎腺化生

下列溃疡中有复发性的是()

A.重型阿弗他溃疡

B 癌性溃疡

C 结核性溃疡

D.创伤性溃疡

E.疱疹性溃疡

A.复合性溃疡

B. 幽门管溃疡

C. 球后溃疡

D. 无症状性溃疡

E. 癌性溃疡