| Library / English Dictionary |
IPSILATERAL
| Pronunciation (US): |  | (GB): | |
I. (adjective)
Sense 1
Meaning:
On or relating to the same side (of the body)
Classified under:
Antonym:
contralateral (on or relating to the opposite side (of the body))
Context examples:
Lung cancer with metastasis to ipsilateral peribronchial and/or ipsilateral hilar lymph nodes, including intrapulmonary nodes involved by direct extension of the primary tumor.
(Lung Cancer pN1 TNM Finding, NCI Thesaurus)
The definition of N2b TNM finding depends on the specific type of cancer that it refers to; for example, for breast cancer it refers to metastases only in clinically detected ipsilateral internal mammary nodes and in the absence of clinically evident level I, II axillary lymph node metastases; for cutaneous melanoma it refers to macrometastases in 2-3 regional lymph nodes; for colorectal cancer it refers to metastases in seven or more regional lymph nodes.
(N2b Stage Finding, NCI Thesaurus)
The definition of N3b TNM finding depends on the specific type of cancer that it refers to; for example, for breast cancer it refers to metastases in clinically detected ipsilateral internal mammary lymph nodes in the presence of one or more positive axillary lymph nodes, or in more than 3 axillary lymph nodes and in internal mammary lymph nodes with micrometastases or macrometastases detected by sentinel lymph node biopsy but not clinically detected; for gastric cancer it refers to metastases in sixteen or more regional lymph nodes; for nasopharyngeal cancer it refers to extension to the supraclavicular fossa.
(N3b Stage Finding, NCI Thesaurus)
