The symptoms like indigestion, stomach discomfort, loss of appetite, nausea are common in the early stages
of gastric cancer
. A stomach cancer
can grow very large before it starts causing other symptoms. In advanced stage there may be weight loss, blood in stools, weakness and fatigue etc.The early symptoms of gastric cancer may mimic peptic ulcer. It is best to get tested as soon as possible. A physical examination and tests like barium swallow , gastroscopy with biopsy may be needed.