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　　传统的胸腺瘤手术(shù )要从正(zhèng )中劈开胸骨，出血多，创伤大，术后留下(xià )一条长长(zhǎng )的疤痕，病人痛不堪(kān )言(yán )。而常(cháng )规(guī )经肋间(jiān )胸(xiōng )腔(qiāng )镜(jìng )无(wú )法进(jìn )行对(duì )侧纵膈(gé )脂(zhī )肪的清(qīng )扫。而与(yǔ )开胸手(shǒu )术(shù )相(xiàng )比，经剑突下胸腔镜纵隔(gé )肿瘤(liú )切除术是(shì )在(zài )胸骨(gǔ )和(hé )心包之间的间隙进行(háng )，通(tōng )过形(xíng )成人工气胸(xiōng )，为手术操(cāo )作提(tí )供了(le )宽阔清(qīng )晰的视野(yě )，避免了胸骨(gǔ )切开(kāi )。