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Table 1 Cohort of adenoma-carcinoma pairs from 34 samples investigated

From: Malignant transformation and genetic alterations are uncoupled in early colorectal cancer progression

Cohort Microsatellite stable (MSS) lesions
CRC Excision method Adenoma grade Carcinoma stage
MSS 31 Polypectomy 22 Low grade 16 pTis 11
MSI 3 Resection 12 High grade 15 pT1 18
       pT2 2
  1. MSS samples were further grouped as primary tumor in situ (pTis), primary tumor stage 1 (pT1), or primary tumor stage 2 (pT2)
  2. MSS microsatellite stable, MSI microsatellite instable