Skip to main content
. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: Lung Cancer. 2009 Sep 10;69(1):40–45. doi: 10.1016/j.lungcan.2009.08.018

Table 1.

Description of the five score categories used to classify cases with breast and lung cancer in the joint pathology review.

Criteria for Pathology Review Scores
1 Definitely metastatic: significantly similar morphology, TTF-1 negative.
2 Probably metastatic: similar morphology, TTF-1 negative
3 Undecided: unclear morphology comparison, poorly preserved tissue.
4 Probably primary: different morphology or a weak TTF-1 stain with similar morphology.
5 Definitely primary: significantly different morphology and/or positiveTTF-1 stain.