Efficacy of endoscopic surveillance in the detection of local recurrence after radical rectal cancer surgery is limited? A retrospective study

Table 1 Framework for perioperative care of patients with rectal cancer (2001‑2008)

Type of treatment	Resectability status	pTNM classification (MRI or CT)	Tumor localization
Preoperative sRT^a	Resectable	cT3 and/or N+	Middle or low rectum
Preoperative RT^b or preoperative CRT^c	Unresectable or probably not R0	cT3-4 and/or N+
No RT	Resectable, contraindications	cT1-2, N0
No RT	Resectable, contraindications	cT3 and/or N+	High rectum
Postoperative RT^d or postoperative CRT^e	Not preoperative RT	pT3-4 and/or N+
Postoperative CTx^f		T4 and/or N+

Abbreviations: CRT Chemoradiotherapy, CT Computed tomography, CTx Chemotherapy, MRI Magnetic resonance imaging, pTNM Pathological TNM classification, RT Radiotherapy, sRT Short-course radiotherapy
^aShort-course radiotherapy (5 × 5 Gy) followed by immediate surgery (< 10 days from the first radiation fraction)
^b45‑50 Gy in 28 fractions; a boost with a further 5.4 Gy
^c45‑50 Gy in 28 fractions; a boost with a further 5.4 Gy combined with 2 cycles of 5-fluorouracil
^d45‑54 Gy per fraction
^e1.8‑2.0 Gy per fraction combined with 4‑6 cycles of 5-fluorouracil
^f6 cycles of 5-fluorouracil

ISSN: 1477-7819