What are the symptoms of stomach cancer and Lung cancer?

I had severe stomach pain 4 days back, till today i have tenderness due to that pain… i am on antibiotics and pain killers…i smoke 4-5 cigrattes a day (from last 10 years) i abdoman is slightly swollen and pain is towards right abdoman…

Tagged as: 10 years, antibiotics, pain killers, severe stomach pain