mastocarcinoma

例句：

1. 1.The patient was diagnosed with a malignant sarcoma of the lung.
   患者被诊断出患有肺部的恶性肉瘤。
2. 2.The doctor performed an excisional biopsy to remove the malignant carcinoma from the patient's breast.
   医生对患者进行了切除性活检，以从患者的乳房中移除恶性肉瘤。
3. 3. Mastocarcinoma is a rare form of cancer that can occur in any part of the body.
   恶性肉瘤是一种罕见的癌症形式，可以在身体的任何部位发生。