A tumor that does not invade surrounding tissues and is generally benign in course. It rarely metastasizes and is often curable, though its location can still cause problems.
検査の結果、腫瘍は良性腫瘍であり、手術で取り除けば問題ないと言われた。
The test results showed the tumor was benign; I was told that removing it surgically would not be a problem.
良性腫瘍でも大きくなれば圧迫症状を起こすことがあるので注意が必要だ。
Even benign tumors can cause compression symptoms if they grow large, so caution is necessary.
医師は患者に良性腫瘍と悪性腫瘍の違いを丁寧に説明した。
The doctor carefully explained the difference between benign and malignant tumors to the patient.