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Table 5 Agreement of PET CT and MRI findings with follow-up findings

From: Role of PET/CT in the follow-up of postoperative and/or post-therapy cancer rectum: comparison with pelvic MRI

  PET CT MRI
Kappa P value Kappa P value
Presence of local tumor 0.943  < 0.001 0.943  < 0.001
Lymph node affection 0.756  < 0.001 0.719  < 0.001
Extension to nearby structures 0.595  < 0.001 1.0  < 0.001
Post radiotherapy complications 0.906  < 0.001 1.0  < 0.001
Postoperative complications 1.0 0.001 1.0 0.001