yī / shēng / jiàn / yì / xiān / zuò / huó / jiǎn / yǐ / què / dìng / zhǒng / kuài / shì / fǒu / wéi / è / xìng医生建议先做活检,以确定肿块是否为恶性。The doctor recommended a biopsy first to determine whether the lump was malignant.