Adenocarcinoma originating from a colonic duplication cyst: A case report

Table 1 Pathology results

Variables	Results
Preoperative treatment	Not done
Gross type	Other (cystic)
Tumor location	Transverse colon, mesentery
Histologic variant (World Health Organization 5th ed.)	Not otherwise specified
Histology grade	Moderately differentiated
Tumor size	9.2 cm × 8.0 cm × 7.8 cm
Invasion margins	Muscularis propria
Resection margins	Safety margin: Radial 02 cm
Lymph node	Not submitted
Lymphatic invasion	Not identified
Venous invasion	Not identified
Perineural invasion	Not identified
Tumor deposits	Not identified
Tumor budding	Negative (× 1/200)
Tumor border	Infiltrative
Stromal reaction	Absent
Preexisting adenoma	Not identified
Associated findings	None
Caudal-type homeobox transcription factor 2	Positive
Cytokeratin 20	Positive
Cytokeratin	Positive
Estrogen receptor	Negative
Paired box gene 8	Negative