患者女，67岁。直肠癌手术后病理报告：中分化腺癌，58cm×4.2cm×3cm大小，侵及阴道后壁，肠系膜淋巴结3/7，查见腹腔转移癌。该患者Dukes分期应为

• A.B<img src="https://timg.fentiku.com/24/2016/10/17/M7Ni8Adg3a.png" title='M7Ni8Adg3a.png' alt='M7Ni8Adg3a.png'/>期
• B.B<img src="https://timg.fentiku.com/24/2016/10/17/5RU4FmZW49.png" title='5RU4FmZW49.png' alt='5RU4FmZW49.png'/>期
• C.C<img src="https://timg.fentiku.com/24/2016/10/17/UU7L52uM9b.png" title='UU7L52uM9b.png' alt='UU7L52uM9b.png'/>期
• D.C<img src="https://timg.fentiku.com/24/2016/10/17/v5fLQs4MPl.png" title='v5fLQs4MPl.png' alt='v5fLQs4MPl.png'/>期
• E.D期

正确答案：E