木瘤

例句：

1. 1. The tree had alarge, hard woody tumoron its trunk.
   这棵树的树干上有一个硬邦邦的肿瘤。
2. 2. Thetumor was removed surgically to remove thecancerous growth.
   这个肿瘤被外科手术切除以去除癌性生长。
3. 3. Thetumor was found to bemalignant and required immediatetreatment.
   这个肿瘤被诊断为恶性的，需要立即治疗。