This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Early gastric cancer generally indicates : 
Select and explain. 
A. Gastric adencarcinoma detected early, B. Gastric adenocarcinoma confined to the mucosa, C. Gastric adenocarcinoma confined to the mucosa & submucosa, D. Gastric adenocarcinoma less than 1 cm. In size
C: Gastric adenocarcinoma confined to the mucosa & submucosa
Answer: C: Gastric adenocarcinoma confined to the mucosa & submucosa 
Explanation: Answer is C (Gastric adenocarcinoma confined to mucosa and submucosa): Early gastric carcinoma is defined as a lesion confined to the mucosa and submucosa regardless of the presence or absence of perigastric lymphnode metastasis