Although MRI is still the gold standard when it comes to colorectal cancer staging, a new study from Italy shows that preoperative multidetector-row CT (MDCT) staging using a water enema may offer some advantages over air insufflation.

• 尽管提到直肠癌的分期MRI仍然是其金标准，但一项来自意大利的研究表明术前应用水灌肠较空气有更多优势。