# Oesophagectomy for Cancer

> Oesophagectomy for NEET-SS Surgical Oncology: Ivor Lewis, McKeown and transhiatal approaches, gastric conduit, CROSS and FLOT, leak and chylothorax rules.

- Canonical URL: https://prepelephant.com/topics/neet-ss/surgical-oncology/oesophagectomy-onco-ss
- Exam / course: NEET-SS · Subject: Surgical Oncology
- Publisher: PrepElephant (https://prepelephant.com) — Prepared and reviewed by the PrepElephant Academic Review Team
- First published: 2026-10-02
- Last updated: 2026-10-02
- How to cite: "Oesophagectomy for Cancer", PrepElephant, https://prepelephant.com/topics/neet-ss/surgical-oncology/oesophagectomy-onco-ss

## Direct answer

The stomach, mobilised on the right gastroepiploic arcade and tubularised, is the oesophageal substitute of choice, and everything else about the operation follows tumour level and histology. Middle- and upper-third squamous tumours — the dominant pattern in India — suit a two- or three-stage approach (Ivor Lewis or McKeown) after CROSS-type neoadjuvant chemoradiation, whereas adenocarcinoma of the lower oesophagus and junction is treated with perioperative FLOT chemotherapy followed by resection often through a transhiatal or Ivor Lewis route. The cervical oesophagus is the exception that stays: definitive chemoradiotherapy preserves the larynx with comparable survival. Anastomotic position then determines the complications an examiner will ask about — a cervical leak is a salivary fistula managed conservatively, an intrathoracic leak is mediastinitis with real mortality.

## What you must remember

- **Named operations:** transhiatal (Orringer — abdominal and cervical, no thoracotomy), Ivor Lewis (laparotomy plus right thoracotomy, intrathoracic anastomosis), McKeown (right thoracotomy, laparotomy, cervical anastomosis), left thoracoabdominal (Sweet) for junctional tumours.
- **Conduit:** gastric tube based on the right gastroepiploic artery; pyloric drainage (pyloroplasty or botulinum toxin) reduces emptying problems; colonic interposition is the second-choice conduit.
- **Neoadjuvant therapy:** CROSS regimen — weekly carboplatin and paclitaxel with 41.4 Gy in 23 fractions — for resectable squamous and adenocarcinoma; FLOT (5-fluorouracil, leucovorin, oxaliplatin, docetaxel) perioperatively for adenocarcinoma.
- **Cervical oesophagus:** definitive chemoradiotherapy is preferred, preserving the larynx; surgery here means pharyngolaryngectomy with its morbidity.
- **Leak geography:** cervical leak presents as neck salivary fistula — drainage, dressing, healing by granulation; intrathoracic leak presents with sepsis and mediastinitis — resuscitation, drainage, stenting or reoperation.
- **Chylothorax:** pleural fluid triglyceride above 110 mg/dL; managed with medium-chain triglyceride diet and octreotide, with thoracic duct ligation if output stays above a litre daily for 5–7 days.
- **Recurrent laryngeal nerve palsy** complicates cervical anastomosis and three-field dissection — hoarseness plus aspiration predicts aspiration pneumonia.
- **Other sequelae:** atrial fibrillation is the commonest early arrhythmia; late problems are anastomotic stricture (dilatation), early satiety, dumping and reflux.
- **Very early disease:** T1a (mucosal) cancer in a fit patient can be cured by endoscopic mucosal resection or dissection in expert centres.

## A worked case: mid-thoracic squamous carcinoma

A 58-year-old man presents with progressive dysphagia; endoscopy shows an exophytic mid-thoracic tumour, biopsy squamous cell carcinoma, staging CT-PET cT3N1 without metastases. He receives CROSS neoadjuvant chemoradiotherapy, restaged with a response on imaging, and proceeds to surgery. The choice between McKeown and Ivor Lewis is argued openly in vivas: McKeown offers a cervical anastomosis whose leak is safer and permits a higher lymphadenectomy including upper mediastinal stations relevant in squamous disease; Ivor Lewis avoids a third incision and cervical dissection but places the leak inside the chest. A gastric conduit is fashioned preserving the right gastroepiploic arcade, with pyloroplasty. On day six saliva discharges from the neck wound — a cervical leak: keep the wound drained, rest the oral intake, feed by jejunostomy, and it closes. Had the same leak sat below the thoracic inlet with fever and mediastinal air, the answer changes to sepsis control, drainage and an endoscopic stent. One operation, two leak scripts — the examiner wants both.

## Where candidates slip

Choosing a pure transhiatal resection for mid-thoracic squamous cancer is the commonest strategic error — it forfeits mediastinal nodal dissection that squamous histology benefits from. The second is treating every leak identically instead of by anatomical site. Third, forgetting that the cervical oesophagus is a larynx-preservation territory for definitive chemoradiotherapy, and offering pharyngolaryngectomy first. Finally, chylothorax thresholds: candidates quote random volumes instead of the triglyceride criterion and the litre-a-day-for-a-week ligation trigger.

## Frequently asked questions

### Why is the stomach the preferred oesophageal substitute?
It has a reliable blood supply through the right gastroepiploic arcade, needs only one anastomosis, tolerates mobilisation to the neck, and its function as a conduit is acceptable — colon is reserve material.

### What is the CROSS regimen?
Weekly carboplatin (AUC 2) and paclitaxel with concurrent 41.4 Gy radiotherapy over five weeks before surgery, improving survival in both squamous and adenocarcinoma of the oesophagus and junction.

### How do cervical and intrathoracic anastomotic leaks differ in management?
Cervical leaks are salivary fistulas managed by drainage and delayed healing; intrathoracic leaks cause mediastinitis and sepsis, demanding drainage, stenting or reoperation with measurable mortality.

### How is chylothorax diagnosed and treated after oesophagectomy?
Pleural fluid triglyceride above 110 mg/dL confirms it; treatment is medium-chain triglyceride feeding and octreotide, progressing to thoracic duct ligation if output exceeds about a litre daily for 5–7 days.

### Which oesophageal cancers are treated by definitive chemoradiotherapy?
Cervical oesophageal tumours, where larynx preservation matches surgical survival, and squamous tumours in patients unfit for or declining resection.

### What suits a T1a oesophageal cancer?
Endoscopic mucosal resection or endoscopic submucosal dissection in selected low-risk mucosal tumours — surgical resection is reserved for submucosal spread or unfavourable histology.