Stomach Cancer Prognosis Without Treatment Apr 2026

Observational Study of Gastric Cancer Patients Not ... - PubMed

Without surgical or systemic intervention, survival times are often measured in months rather than years for advanced cases: : Stage I : 46.2% five-year survival. Stomach Cancer Prognosis Without Treatment

: Without treatment, approximately 63% of early gastric cancers will progress to advanced disease within five years. The median time for a tumor to grow from an early stage to an advanced stage is estimated at 34 months. Observational Study of Gastric Cancer Patients Not

As the cancer grows and spreads without treatment, symptoms typically evolve from vague discomfort to severe physical complications: The median time for a tumor to grow

: Virtually 0% five-year survival without treatment.

The prognosis for stomach cancer without treatment is generally poor, with the disease typically progressing to advanced stages that lead to death for the majority of patients. Untreated stomach cancer has a stomach cancer 5-year survival rate that drops significantly from 46.2% at stage I to 0% for stages II, III, and IV. The Natural History and Progression