I feel pain in right side of stomach, sometimes on front and sometimes on back side. reports show neutophila / normocytic normochromic, u/s is normal.

Gallbladder: Pain in the right upper abdomen and which radiates to the back suggests gallbladder dysfunction. In such cases an ultrasound might be negative. Often the next study to be ordered is an hidda scan, which is a nuclear medicine scan that, unlike the ultrasound which shows architecture of the gallbladder, shows function of this organ.