If someone is found to have cancer in their lymph nodes, - https://www.cancer.gov/news-events/cancer-currents-blog/2022...
What is a lymph node marker?
A surgeon injects a marker called a radiotracer around the site of the tumor. - https://www.mdanderson.org/cancerwise/sentinel-lymph-node-bi...


--------------------------------------------------
Note added at 1 hora (2023-06-03 20:28:50 GMT)
--------------------------------------------------

si inietta sottocute nella mammella una minima quantità di un isotopo debolmente radioattivo che, - https://www.fondazioneveronesi.it/magazine/articoli/lesperto...
per marcare sulla pelle le aree corrispondenti ai linfonodi - https://www.aooi.it/contents/attachment/c11/QMA_34_2015.pdf


--------------------------------------------------
Note added at 1 hora (2023-06-03 20:42:15 GMT)
--------------------------------------------------

articles about Lymph Node (LN) - https://www.frontiersin.org/subjects/lymph-node-ln#
Lymph nodes (LNs) are composed of leukocytes (~95%) and lymphoid stromal cells - http://www.ciml.univ-mrs.fr/science/lab-marc-bajenoff/immuno...