Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A haematoxylin–eosin-stained section of a pulmonary metastasis illustrating the selection of tissue microarray core locations. The red circles indicate tumour cores from the invasive margin and yellow circles indicate tumour cores from the tumour centre
