zd27 copy.JPG (53991 bytes) 27.Malignant neoplasms are also characterized by the tendency to invade surrounding tissues. Here, a lung cancer is seen to be spreading along the bronchi into the surrounding lung.

27.恶性肿瘤的特征还包括侵袭周围组织的倾向,图示肺癌沿着支气管播散到周围肺组织。