What is the survival time after surgery for duodenal papillary carcinoma in situ cannot be generalized, the 5-year survival rate after early surgical resection treatment can be up to about 45%-65%. Surgical resection of duodenal papillary carcinoma in situ can generally achieve good results, and the survival time after surgery for duodenal papillary carcinoma in situ is relatively high, and the 5-year survival rate can reach about 45%-65%, so most of them can get long-term survival, but regular follow-up is needed after surgery, with review every three months within 2 years, every six months between 2-5 years and every year after 5 years. Duodenal papillary carcinoma in situ is a kind of malignant tumor, how long one can live after surgery is related to each person’s physique, and the survival time varies in different years of postoperative recovery. For limited in situ tumors, actively going to the hospital for surgical resection may lead to complete cure and the survival period can be effectively prolonged.