Treatment for carcinoid tumors usually includes surgery and may include medications .

良性肿瘤的治疗方法包括手术，也可以通过药物治疗。

In some cases , carcinoid tumors don 't cause any signs or symptoms .

某些情形下，良性肿瘤不会引起任何迹象或者症状。

Clinicopathologic analysis of 53 cases of gastrointestinal carcinoid tumor .

53例胃肠道类癌临床病理分析。

Bronchopulmonary carcinoid tumors : long-term outcomes after resection .

支气管肺类癌肿瘤：切除后的长期预后。

Rarely , a malignant carcinoid tumor can occur as a large bulky mass .

很少有恶性类癌发展到体积很大。