Stomach cancer—or gastric cancer—occurs when cells in the lining of the stomach wall mutate and grow uncontrollably. The stomach wall has five layers, and different types of stomach cancer are often ...

An endocrinologist explains the five main types, how they behave, treatment options, and why knowing the exact type can reduce fear and improve outcomes.

Several cancers in younger adults are on the rise, stumping medical professionals everywhere. Now, a groundbreaking new study has presented some of the most compelling evidence yet as to why — and ...

Cancer before age 50 is rare, but increasing, in the United States and researchers want to know why. A new government study provides the most complete picture yet of early-onset cancers, finding that ...

Bladder cancer is mainly urothelial carcinoma, with non-muscle-invasive and muscle-invasive types, and smoking as a key risk factor. Diagnosis involves cystoscopy, biopsy, urine cytology, and imaging ...