Keywords: cytokeratin 7, colorectal cancer, polyploidy giant cancer cells, ... Most CRCs show positive IHC staining for CK20 and negative staining for CK7. ... For the CK7 negative group, no tumor cells yielded positive IHC ...JournalofCancerImpactfactor3.565ISSN:1837-9664 HomeEditorialboardAboutthisjournalAuthorinfoSubmitmanuscriptManuscriptloginContactCurrentissueVolume12,2021Volume11,2020AdvancearticlesArchiveVolume10,2019Volume9,2018Volume8,2017Volume7,2016Volume6,2015Volume5,2014Volume4,2013Volume3,2012Volume2,2011Volume1,2010CoverimagesSpecialissuesInternationalJournalofBiologicalSciencesInternationalJournalofMedicalSciencesTheranosticsJournalofGenomicsNanotheranosticsTopIntroductionMaterialsandMethodsResultsDiscussionConclusionAbbreviationsAcknowledgementsReferencesGlobalreach,higherimpactEnteryoursearchtermswww.jcancer.orgSubmitsearchform PDFJCancer2019;10(11):2510-2519.doi:10.7150/jca.29397ResearchPaperCK7expressionassociateswiththelocation,differentiation,lymphnodemetastasis,andtheDukes'stageofprimarycolorectalcancersFeiFei1,2#,ChunyuanLi1,2#,YuanCao2#,KaiLiu3,JiaxingDu4,YanjunGu5,XinluWang4,YuweiLi6,ShiwuZhang1,21.NankaiUniversitySchoolofMedicine,NankaiUniversity,Tianjin,P.R.China.2.DepartmentofPathology,TianjinUnionMedicalCenter,Tianjin,P.R.China.3.TianjinMedicalUniversity,Tianjin,P.R.China4.GraduateSchool,TianjinUniversityofTraditionalChineseMedicine,Tianjin,P.R.China5.Departmentofpathology,AffiliatedHospitalofLogisticUniversityofPeople'sArmedPoliceForce,Tianjin,P.R.China.6.Departmentsofcolorectalsurgery,TianjinUnionMedicalCenter,Tianjin,P.R.China#Theseauthorsequallycontributedtothepaper.ThisisanopenaccessarticledistributedunderthetermsoftheCreativeCommonsAttribution(CCBY-NC)license(https://creativecommons.org/licenses/by-nc/4.0/).Seehttp://ivyspring.com/termsforfulltermsandconditions.Citation:FeiF,LiC,CaoY,LiuK,DuJ,GuY,WangX,LiY,ZhangS.CK7expressionassociateswiththelocation,differentiation,lymphnodemetastasis,andtheDukes'stageofprimarycolorectalcancers