Course: the patient is taken to the OR and undergoes segmental resection of the obstructed jejunum and a lymph node biopsy.

过程：病人被送往手术室，并作了部分空肠切除手术和淋巴腺活组织检查。

youdao

With the large and multinodular confluent tumor at hand, it's difficult to determine whether it arose from a lymph node or not.

遇到一个大的、多结节性融合肿块，难以决定这是否来自淋巴结。

youdao

On the other hand, if the diagnosis cannot be established and a malignancy is a major concern, biopsy of a lymph node is appropriate and should be done in a timely fashion.

另一方面，如果诊断不能明确又主要考虑恶性肿瘤，及时活检淋巴结是合适的。

youdao

She was told one of her implants had leaked into a lymph node.

BBC: PIP - one woman's story of replacing her leaking implants

Other tests -- such as a Pap smear for cervical cancer or a lymph node biopsy for lymphoma -- are also safe.

CNN: Pregnant with cancer

She told BBC Radio 2's French and Saunders programme she needed no more treatment since having a lymph node removed before Christmas.

BBC: presenter Clare Balding gets cancer all-clear