Spread through air spaces
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Spread through air spaces, abbreviated STATS, is a poor prognosticator in lung cancer.
Definition
It is defined as tumour that is in the air space and some distance from the main tumour.[1]
Grading of STATS
A study by Han el al. divided STATS into two groups:
- Grade I: < 2.5 mm from the tumour.
- Grade II: >= 2.5 mm from the tumour.
Grade II STATS is a poor prognosticator.[1]
See also
References
- ↑ 1.0 1.1 Han YB, Kim H, Mino-Kenudson M, Cho S, Kwon HJ, Lee KR, Kwon S, Lee J, Kim K, Jheon S, Lee CT, Lee JS, Kook W, Chung JH (March 2021). "Tumor spread through air spaces (STAS): prognostic significance of grading in non-small cell lung cancer". Mod Pathol 34 (3): 549–561. doi:10.1038/s41379-020-00709-2. PMID 33199839.