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Table 1 Biopsying strategy for this study

From: Keratin 8 expression in colon cancer associates with low faecal butyrate levels

Diagnosis Biopsy positions Other samples
Cancer 2x Mid-sigmoid for proteomics Stool, for short-chain fatty acid determination, including butyrate
  1x mid-sigmoid for IHC  
  1x mid-sigmoid for whole mount Food frequency questionnaire
  2x contralateral wall (field) for proteomics  
  1x contralateral wall (field) for IHC  
  2x lesion for proteomics  
  1x lesion for IHC