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Updated: Feb 15, 2026

Isolation of Human Endothelial Cells from Normal Colon and Colorectal Carcinoma - An Improved Protocol
Published on: April 4, 2018
[A Case of Huge Advanced Neuroendocrine Carcinoma of the Transverse Colon Resected Successfully]
Ryo Takahashi1, Yasutake Uchima, Naoki Aomatsu
1Dept. of Surgery, Fuchu Hospital.
Abstract:
The patient, 49-year-old woman, who was referred to our hospital in August 2016 because of left abdominal pain. The abdominal CT scan showed a large tumor, over 10 cm dimeter at splenic flexure of the transverse colon, and colonoscopy detected transvers colon cancer(por, cT4b, cN1, M0, cStage III A). There was no distant metastasis, although invasion to the retroperitoneum and the abdominal wall. Left hemicolectomy was successfully performed with D3 lymph node dissection. Pathological diagnosis was endocrine cell carcinoma, pT4a(SE), pN0, M0, pStage II . The Surgical margin was completely free of carcinoma(R0). The postoperative course was uneventful, and she has been in good health with no recurrence for 8 months after surgery. Neuroendocrine cell carcinoma is recommended for adjuvant treatment based on small cell lung cancer, but there are not effective clinical trials nor established treatment methods because it is rare disease.
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Overview of Advanced Functional Groups
Functional groups are groups of atoms with specific chemical properties that occur within organic molecules and are sometimes denoted as “R”. Functional groups can “functionalize” a compound by enabling it to adopt different physical and chemical properties.
Types of Advanced Functional Groups
The table below summarizes some of the major functional groups in organic chemistry.
Extraction: Advanced Methods

