To see your abdomen in a dream refers to your natural instincts and repressed emotions. There is something in your real life that you “cannot stomach” or have difficulties accepting. You need to get it out of your system. Alternatively, the dream symbol may be strictly physiological and you may just be experiencing constipation or indigestion.
To dream that your abdomen is exposed represents issues you have with trust and feelings of vulnerability. You are expressing your primal emotions and instincts.
To dream that your abdomen is swollen indicates that some new project is in the works.