— So you’re the first woman they hired.

— Yes. 　  51 　

— And how are you doing?

— 　  52 　

— How do you do it? Do you do anything special?

— 　  53 　 There are a lot of women looking at cars and buying cars by themselves. A lot of them feel more comfortable talking to a woman. And you know, I like to talk.

— 　  54　 

— Most of men are friendly. But there are two or three who don’t talk to me. And at lunch, when they go out together, they never ask me.

— It’s going to take time.

—Yeah, _________

病例摘要：齐某，男，56岁，教师。平素喜肉食，大便不规律。近一个月来时有腹痛，左下腹可触及包块，质硬，大便带血，下利清谷，腹部喜温喜按，面色苍白，少气乏力，畏寒肢冷。舌质淡胖，苔薄白，有齿痕，脉沉细弱。实验室检查：肿瘤标志物CEA674μg/L；钡灌肠提示结肠占位。答题要求：1.根据上述病例摘要，在答题卡上完成书面辨证论治。2.中医病证鉴别：请与痢疾相鉴别。