Written and medically reviewed by: Assoc. Prof. Cengiz Dibekoğlu, MD, General SurgeryLast updated:
Stomach (Gastric) Cancer — Gastric Cancer Treatment
Perioperative chemotherapy plus gastrectomy for many locally advanced tumors; biomarkers guide advanced systemic care.
Treatment is multimodal. Early tumors may proceed to surgery; many locally advanced cancers use perioperative chemotherapy around gastrectomy with appropriate lymphadenectomy. Metastatic disease prioritizes systemic therapy guided by biomarkers, with surgery reserved for bleeding, obstruction, or highly selected conversion scenarios. Nutrition support is not optional — it is part of therapy. Staging laparoscopy and cytology, when indicated, can change the plan before major resection.
Educational schematic. Some structures may be simplified or emphasized for clarity; not an exact anatomical depiction.
© Cengiz Dibekoğlu — illustrative; not for unauthorized use
Figure summary
Labeled on this figure: Multimodal plan · Surgery · Systemic therapy.
Figure labels (English)
- Multimodal plan
- Surgery
- Systemic therapy
Who may be a candidate?
- Medically fit patients with localized or locally advanced disease
- Candidates for perioperative regimens after staging laparoscopy when indicated
- Advanced disease needing biomarker-directed systemic therapy
Possible advantages
- Perioperative therapy can shrink tumors and treat micrometastases early
- Modern regimens and supportive care improve completion rates
- Biomarkers open targeted and immunotherapy options in advanced disease
Limits & realistic expectations
- Positive peritoneal cytology / carcinomatosis often removes classic curative sequences
- Malnutrition increases surgical risk if not addressed
- Not every ‘stomach cancer’ shares the same drug pathway
Step-by-step overview
- 1
Clarify the clinical question
What diagnosis is being confirmed and what decision follows?
- 2
Choose first-line tests
Start with the test that answers the leading question safely.
- 3
Stage if needed
Add imaging or endoscopy when results would change management.
- 4
Name limitations
No test replaces exam; false reassurance is a risk.
- 5
Link to next step
Diagnosis should point to observation, medical care, or procedure.
Key points
- Key note inside
Technique vs indication
A named technique is only useful when anatomy and disease biology fit. Conversion to another approach can be a safety decision, not a failure. Discuss timing, alternatives, and follow-up with your surgical team before you finalize a plan.
- Key note inside
Important
This page is for education. It is not medical advice and does not replace a visit with your physician.
Frequently asked questions
Is surgery always required for gastric cancer?
Early selected lesions may have endoscopic options; many localized cancers need gastrectomy with appropriate lymphadenectomy. Metastatic disease prioritizes systemic therapy, with surgery reserved for complications or highly selected conversion scenarios.
How are options chosen?
Extent of disease, symptoms, fitness, and evidence-based alternatives are weighed together — often in a multidisciplinary setting for cancer.
What should I ask before consent?
Benefits, risks, alternatives, expected recovery, and what happens if pathology or imaging changes the plan.
Can I get a second opinion?
Yes. Bring complete imaging and pathology; tumor-board review can be requested when appropriate.
More chapters in this hub
Gastric Cancer Symptoms
What patients notice — and which warning signs need urgent care
Gastric Cancer Diagnosis
How clinicians confirm the problem and stage the next steps
Gastric Cancer Operations
Operations: what the procedure aims to do and who it fits
Laparoscopic Gastrectomy
Minimally invasive gastrectomy when staging and anatomy fit
Robotic Gastric Cancer Surgery
Robotic: what the procedure aims to do and who it fits
Life After Gastric Surgery
Nutrition, vitamins, and recovery after gastrectomy
Appointment / info
This page is for education. It is not medical advice and does not replace a visit with your physician.
Medical editor: Assoc. Prof. Cengiz Dibekoğlu, MD · Last medically reviewed: August 2026 · English patient-education chapter.