{"id":1270,"date":"2019-04-14T14:26:39","date_gmt":"2019-04-14T14:26:39","guid":{"rendered":"https:\/\/blogs.bmj.com\/jmg\/?p=1270"},"modified":"2026-02-24T00:42:37","modified_gmt":"2026-02-24T00:42:37","slug":"resectable-lung-lesions-malignancy-assessment-and-cancer-detection-by-ultra-deep-sequencing-of-targeted-gene-mutations-in-plasma-cell-free-dna","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/jmg\/2019\/04\/14\/resectable-lung-lesions-malignancy-assessment-and-cancer-detection-by-ultra-deep-sequencing-of-targeted-gene-mutations-in-plasma-cell-free-dna\/","title":{"rendered":"Resectable Lung Lesions Malignancy Assessment and Cancer Detection by Ultra-Deep Sequencing of Targeted Gene Mutations in Plasma Cell-Free DNA (Contributed by Dr. Chuanbo Xu)"},"content":{"rendered":"<p>Liquid biopsy detecting circulating tumor DNA in the blood is promising in non-invasively providing valuable molecular information on the small nodules found on the low dose CT images. In a cohort of 192 patients with nodules sized between 0.5 \u2013 3 cm and diagnosed by pathology to be one quarter of benign disease and 85% of the cancerous lesions being at early phase (Stage I and II), the deep sequencing of a panel of 65 genes (average 35,000X) achieved an average sensitivity of 69% and specificity of 96%. As the cancer stage advances, the sensitivity increases and reached 94% for Stage III patients. It shows the feasibility of ctDNA markers to be used in lung nodule malignancy assessment and early cancer detection. (<a href=\"https:\/\/jmg.bmj.com\/content\/early\/2019\/04\/13\/jmedgenet-2018-105825\">https:\/\/jmg.bmj.com\/content\/early\/2019\/04\/13\/jmedgenet-2018-105825<\/a>)<\/p>\n<p><a href=\"https:\/\/blogs.bmj.com\/jmg\/2019\/04\/14\/resectable-lung-lesions-malignancy-assessment-and-cancer-detection-by-ultra-deep-sequencing-of-targeted-gene-mutations-in-plasma-cell-free-dna\/vienomics-wechat-image_20190326163100\/\" rel=\"attachment wp-att-1271\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1271\" src=\"https:\/\/blogs.bmj.com\/jmg\/files\/2019\/04\/Vienomics-WeChat-Image_20190326163100-300x181.jpg\" alt=\"\" width=\"300\" height=\"181\" srcset=\"https:\/\/blogs.bmj.com\/jmg\/files\/2019\/04\/Vienomics-WeChat-Image_20190326163100-300x181.jpg 300w, https:\/\/blogs.bmj.com\/jmg\/files\/2019\/04\/Vienomics-WeChat-Image_20190326163100-768x462.jpg 768w, https:\/\/blogs.bmj.com\/jmg\/files\/2019\/04\/Vienomics-WeChat-Image_20190326163100-1024x616.jpg 1024w, https:\/\/blogs.bmj.com\/jmg\/files\/2019\/04\/Vienomics-WeChat-Image_20190326163100-640x385.jpg 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Liquid biopsy detecting circulating tumor DNA in the blood is promising in non-invasively providing valuable molecular information on the small nodules found on the low dose CT images. In a cohort of 192 patients with nodules sized between 0.5 \u2013 3 cm and diagnosed by pathology to be one quarter of benign disease and 85% [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/jmg\/2019\/04\/14\/resectable-lung-lesions-malignancy-assessment-and-cancer-detection-by-ultra-deep-sequencing-of-targeted-gene-mutations-in-plasma-cell-free-dna\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":123,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1270","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Resectable Lung Lesions Malignancy Assessment and Cancer Detection by Ultra-Deep Sequencing of Targeted Gene Mutations in Plasma Cell-Free DNA (Contributed by Dr. Chuanbo Xu) - JMG Contact blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.bmj.com\/jmg\/2019\/04\/14\/resectable-lung-lesions-malignancy-assessment-and-cancer-detection-by-ultra-deep-sequencing-of-targeted-gene-mutations-in-plasma-cell-free-dna\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Resectable Lung Lesions Malignancy Assessment and Cancer Detection by Ultra-Deep Sequencing of Targeted Gene Mutations in Plasma Cell-Free DNA (Contributed by Dr. Chuanbo Xu) - JMG Contact blog\" \/>\n<meta property=\"og:description\" content=\"Liquid biopsy detecting circulating tumor DNA in the blood is promising in non-invasively providing valuable molecular information on the small nodules found on the low dose CT images. In a cohort of 192 patients with nodules sized between 0.5 \u2013 3 cm and diagnosed by pathology to be one quarter of benign disease and 85% [...]Read More...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.bmj.com\/jmg\/2019\/04\/14\/resectable-lung-lesions-malignancy-assessment-and-cancer-detection-by-ultra-deep-sequencing-of-targeted-gene-mutations-in-plasma-cell-free-dna\/\" \/>\n<meta property=\"og:site_name\" content=\"JMG Contact blog\" \/>\n<meta property=\"article:published_time\" content=\"2019-04-14T14:26:39+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-24T00:42:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.bmj.com\/jmg\/files\/2019\/04\/Vienomics-WeChat-Image_20190326163100-1024x616.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"616\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"hqqu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@HuiQiQu\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"hqqu\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2019\\\/04\\\/14\\\/resectable-lung-lesions-malignancy-assessment-and-cancer-detection-by-ultra-deep-sequencing-of-targeted-gene-mutations-in-plasma-cell-free-dna\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2019\\\/04\\\/14\\\/resectable-lung-lesions-malignancy-assessment-and-cancer-detection-by-ultra-deep-sequencing-of-targeted-gene-mutations-in-plasma-cell-free-dna\\\/\"},\"author\":{\"name\":\"hqqu\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#\\\/schema\\\/person\\\/be0250f8d5b52412c3e7c222dabd591b\"},\"headline\":\"Resectable Lung Lesions Malignancy Assessment and Cancer Detection by Ultra-Deep Sequencing of Targeted Gene Mutations in Plasma Cell-Free DNA (Contributed by Dr. Chuanbo Xu)\",\"datePublished\":\"2019-04-14T14:26:39+00:00\",\"dateModified\":\"2026-02-24T00:42:37+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2019\\\/04\\\/14\\\/resectable-lung-lesions-malignancy-assessment-and-cancer-detection-by-ultra-deep-sequencing-of-targeted-gene-mutations-in-plasma-cell-free-dna\\\/\"},\"wordCount\":145,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2019\\\/04\\\/14\\\/resectable-lung-lesions-malignancy-assessment-and-cancer-detection-by-ultra-deep-sequencing-of-targeted-gene-mutations-in-plasma-cell-free-dna\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/files\\\/2019\\\/04\\\/Vienomics-WeChat-Image_20190326163100-300x181.jpg\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2019\\\/04\\\/14\\\/resectable-lung-lesions-malignancy-assessment-and-cancer-detection-by-ultra-deep-sequencing-of-targeted-gene-mutations-in-plasma-cell-free-dna\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2019\\\/04\\\/14\\\/resectable-lung-lesions-malignancy-assessment-and-cancer-detection-by-ultra-deep-sequencing-of-targeted-gene-mutations-in-plasma-cell-free-dna\\\/\",\"url\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2019\\\/04\\\/14\\\/resectable-lung-lesions-malignancy-assessment-and-cancer-detection-by-ultra-deep-sequencing-of-targeted-gene-mutations-in-plasma-cell-free-dna\\\/\",\"name\":\"Resectable Lung Lesions Malignancy Assessment and Cancer Detection by Ultra-Deep Sequencing of Targeted Gene Mutations in Plasma Cell-Free DNA (Contributed by Dr. Chuanbo Xu) - 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