pain of the lower abdomen

If the pain is severe and concentrated on the lower right side of their abdomen, it could be appendicitis.

要是疼得厉害并且集中在腹部右下方，可能是阑尾炎。

Fractures of the pelvis or the lower rib cage also may hinder accurate diagnostic examination of the abdomen, because pain from these areas may be elicited when palpating the abdomen.

值得注意的是，盆腔骨折及肋弓骨折往往使腹部查体变得不准确，因为这些部位的疼痛使影响了腹部触诊的准确性。

The pain is usually felt in one of the four corners of the abdomen, especially the lower left corner.

疼痛通常认为，在其中的四个角落的腹部，尤其是左下角。