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The tumour-stroma ratio (TSR) is a diagnostic tool for overall and disease free survival in different epithelial cancer types. The TSR is easy to determine on H&E stained tissue sections in 1-2 minutes.

The TSR is based on the amount of stroma present within the primary tumour. This parameter distinguishes tumours with a high stroma percentage and low stroma percentage in two categories. To learn more about scoring the TSR, watch the instruction video.


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The E-learning is available to learn how to score the TSR.

The UNITED study

Uniform Noting for International application of the Tumour-stroma ratio as Easy Diagnostic tool.