NCIt definition : An indication that progesterone receptor (PRG; PR) expression has been detected in
a sample.;
Alternative definition : NCI-GLOSS: Describes cells that have a protein to which the hormone progesterone will
bind. Cancer cells that are progesterone receptor positive need progesterone to grow
and will usually stop growing when treated with hormones that block progesterone from
binding.;
Codes from synonyms : CDR0000044450; CDR0000045273;