Imperial Cancer Research Fund: Stomach Cancer 
UK charity offers information including prevention, diagnosis and treatment. Also provides details on fundraising.
http://www.cancerhelp.org.uk/help/default.asp?page=3887NCI: Stomach Cancer
Information from this U.S. National Cancer Institute resource.
http://www.cancer.gov/cancer_information/cancer_type/stomach
MedlinePlus: Stomach Cancer
Links about the condition from the U.S. National Library of Medicine.
http://www.nlm.nih.gov/medlineplus/stomachcancer.html
University of Kansas: Stomach Cancer
Links to related resources.
http://www2.kumc.edu/KCI/CANCERLINKS/STOMACH.HTM
Your Cancer Risk: Stomach Cancer
Risk factors. Link to a related questionnaire.
http://www.yourcancerrisk.harvard.edu/hccpquiz.pl?func=show&quiz=stomach&page=risk_list
NetDoctor: Stomach Cancer
General information from this UK resource.
http://www.netdoctor.co.uk/diseases/facts/stomachcancer.htm
El Salvador Atlas of Gastrointestinal Video Endoscopy
Includes collection together with case reports of gastric cancers.
http://www.gastrointestinalatlas.com/English/Stomach/Gastric_Cancer/gastric_cancer.html
Johns Hopkins: Stomach Cancer
Introductory information about diagnosis and treatment options. Contact details given.
http://www.hopkinskimmelcancercenter.org/CANCERTYPES/stomach-cancer.cfm?CANCERID=149
Yahoo Health: Stomach Cancer
Information including basic facts, risks, prevention, diagnosis and treatment.
http://health.yahoo.com/health/centers/stomach_cancer/
iVillageHealth: Treating Stomach Cancer
Gives treatment overview.
http://health.ivillage.com/digestion/dica/0,,6955,00.html
About.com: Stomach Cancer
General information oriented to treatment options, including links to related matters.
http://cancer.about.com/od/stomachcancergastric/index.htm
eMedicine Health: Stomach Cancer
Consumer health resource providing information on causes, symptoms and treatment.
http://www.emedicinehealth.com/stomach_cancer/article_em.htm
Cancerbackup: Stomach Cancer
Online booklet from this UK organization covering such topics as symptoms, diagnosis and treatment.
http://www.cancerbackup.org.uk/Cancertype/Stomach
eMedTV Stomach Cancer Channel
Learn through medically written and reviewed articles about the symptoms, causes, stages and the current treatments.
http://cancer.emedtv.com/stomach-cancer/stomach-cancer.html
