男，50岁，胸部CT检查发现右肺下叶4.0cm×3.0cm不规则高密度肿块阴影，同侧肺门淋巴结肿大，纤支镜检查为鳞癌，B超检查无异常，左锁骨上淋巴结未及肿大。根据肺癌TNM分期标准，下列哪项正确

• A.T<img src="http://timg.fentiku.com/24/2016/10/17/x698zVMsyx.png" title='x698zVMsyx.png' alt='x698zVMsyx.png'/>N<img src="http://timg.fentiku.com/24/2016/10/17/Jttd1zWyoa.png" title='Jttd1zWyoa.png' alt='Jttd1zWyoa.png'/>M<img src="http://timg.fentiku.com/24/2016/10/17/Jttd1zWyoa.png" title='Jttd1zWyoa.png' alt='Jttd1zWyoa.png'/>
• B.T<img src="http://timg.fentiku.com/24/2016/10/17/dTI7vCVEo6.png" title='dTI7vCVEo6.png' alt='dTI7vCVEo6.png'/>N<img src="http://timg.fentiku.com/24/2016/10/17/XdLfrU0nm1.png" title='XdLfrU0nm1.png' alt='XdLfrU0nm1.png'/>M<img src="http://timg.fentiku.com/24/2016/10/17/XdLfrU0nm1.png" title='XdLfrU0nm1.png' alt='XdLfrU0nm1.png'/>
• C.T<img src="http://timg.fentiku.com/24/2016/10/17/plMC9SZ9Li.png" title='plMC9SZ9Li.png' alt='plMC9SZ9Li.png'/>N<img src="http://timg.fentiku.com/24/2016/10/17/JaIhigmTEn.png" title='JaIhigmTEn.png' alt='JaIhigmTEn.png'/>M<img src="http://timg.fentiku.com/24/2016/10/17/roJ5smI9zJ.png" title='roJ5smI9zJ.png' alt='roJ5smI9zJ.png'/>
• D.T<img src="http://timg.fentiku.com/24/2016/10/17/sKIxTEmsyw.png" title='sKIxTEmsyw.png' alt='sKIxTEmsyw.png'/>N<img src="http://timg.fentiku.com/24/2016/10/17/sKIxTEmsyw.png" title='sKIxTEmsyw.png' alt='sKIxTEmsyw.png'/>M<img src="http://timg.fentiku.com/24/2016/10/17/kQNOUkzkn2.png" title='kQNOUkzkn2.png' alt='kQNOUkzkn2.png'/>
• E.T<img src="http://timg.fentiku.com/24/2016/10/17/Nh184tGrhg.png" title='Nh184tGrhg.png' alt='Nh184tGrhg.png'/>N<img src="http://timg.fentiku.com/24/2016/10/17/Bja7EhkIEX.png" title='Bja7EhkIEX.png' alt='Bja7EhkIEX.png'/>M<img src="http://timg.fentiku.com/24/2016/10/17/RmNsHDCBnk.png" title='RmNsHDCBnk.png' alt='RmNsHDCBnk.png'/>

正确答案：C