However, complex solid and cystic masses were proven to be metaplastic carcinomas, malignant phyllodes tumors, and mucinous carcinomas, which may represent malignant masses with cystic components.

• 然而复杂实性囊性肿块被证实为化生性癌、恶性叶状肿瘤、粘液癌，代表为带有囊性成分的恶性肿块。