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The idea of “uncontrolled” growth suggests rule-free, unregulated cancer cell behavior, yet multidisciplinary evidence over three decades from genomic, epigenetic, molecular, cellular, immunologic, and physiological studies shows cancer is largely a controlled, though abnormal, process. Cancer reflects a hybrid of stochastic events and regulatory constraints that shape tumor formation and dissemination.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/is-cancer-the-result-of-uncontrolled-cellular-growth-a-glance-into-the-tumorigenic-process/345431/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/is-cancer-the-result-of-uncontrolled-cellular-growth-a-glance-into-the-tumorigenic-process/345431.png","ImageObject",300,407,{"name":92,"@type":93},"Asher","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-09-23","2026-09-22",true,{"@type":102,"interactionType":103,"userInteractionCount":8},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"Why does the article question the idea of “uncontrolled” cancer growth?","Question",{"text":112,"@type":113},"It contrasts the common definition of cancer as uncontrolled abnormal cell proliferation with evidence from multiple biological approaches showing cancer is mostly a controlled, abnormal process. Regulatory influences coexist with stochastic events during tumorigenic development.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What evidence fields does the review cite to support its controlled-process view of cancer?",{"text":117,"@type":113},"The review points to evidence from genomic, epigenetic, molecular, cellular, immunologic, and physiological approaches. These lines of evidence collectively indicate that tumor growth and spread follow biological rules.",{"name":119,"@type":110,"acceptedAnswer":120},"How should cancer be understood according to the conclusion?",{"text":121,"@type":113},"Cancer is not merely an unregulated process. 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Cancer Cell International (2026) 26:196 Cancer Cell International  \n[https://doi.org/10.1186/s12935-026-04253-y](https://doi.org/10.1186/s12935-026-04253-y)  \nREVIEW Open Access  \nIs cancer the result of uncontrolled cellular growth? a glance into the tumorigenic process  \nRosario Castro-Oropeza1, Antonieta Chávez-González1, Alejandra Mantilla-Morales2, Martha E. Ruiz-Tachiquín 1, Hector Mayani1* and Patricia Piña-Sánchez 1*  \nAbstract  \nBackground Cancer has been defined as a group of diseases that result from the uncontrolled growth of abnormal cells that form tumors, invade nearby tissues, and spread to other parts of the body. The notion of “uncontrolled”growth, however, would imply that cancer cells grow following no biological rules and without any regulation. Yet, evidence presented over the past three decades, based on genomic, epigenetic, molecular, cellular, immunologic, and physiological approaches, indicates that cancer is, for the most part, a controlled, although abnormal, process that results in the formation of solid tumors or hematologic neoplasms. Cancer seems to be a hybrid process in which stochastic events coexist with constraining and regulatory influences. The present article is an up-to-date comprehensive overview on the current evidence supporting the notion that, although cancer implies abnormal-malignant-cellular growth, it is not uncontrolled cellular growth. Herein, we summarize and discuss the evidence indicating that cancer originates and progresses under the action and influence of specific factors and mechanisms that regulate, in a finely way, tumor cell growth and dissemination.  \nConclusion While cancer manifests as abnormal cell growth, it cannot and should not be reduced to a set of uncontrolled processes. On the contrary, multiple biological mechanisms interact in a precise and coordinated manner, akin to the pieces of a Rubik’s cube, which do not align by chance, but rather as the result of a synchronized sequence of events. To conceive cancer merely as unregulated cell proliferation is to underestimate and misrepresent the nature of such an assembled disease.  \nKeywords Cancer Genes, Cancer Stem Cells, Epigenomics, Genomics, Metastasis, Tumor Evolution.  \n*Correspondence:  \nHector Mayani[hmayaniv@prodigy.net. mx](hmayaniv@prodigy.net. mx)[ ](hmayaniv@prodigy.net. mx)Patricia Piña-Sánchez [patricia_1307@yahoo.com. mx](patricia_1307@yahoo.com. mx)  \n1Mexican Institute of Social Security, Oncology Research Unit, XXI Century National Medical Center, Mexico City, Mexico  \n2Mexican Institute of Social Security, Oncology Hospital, Department of Pathology, XXI Century National Medical Center, Mexico City, Mexico  \n© The Author(s) 2026. Open Access This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License, which permits any non-commercial use, sharing, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if you modified the licensed material. You do not have permission under this licence to share adapted material derived from this article or parts of it. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit [http://creati](http://creati)[vecommons.org/licenses/by-nc-nd/4.0/](vecommons.org/licenses/by-nc-nd/4.0/.)[.](vecommons.org/licenses/by-nc-nd/4.0/.)  \nCastro-Oropeza et al. Cancer Cell International (2026) 26:196  \nIntroduction  \nToday, cancer represents the second cause of death worldwide","cbCaisbX8tVFOJLn","https://ap.wps.com/l/cbCaisbX8tVFOJLn","pdf",2872060,28,"English","# Abstract\n## Background\n## Conclusion\n# Keywords\n# Introduction","[{\"question\":\"Why does the article question the idea of “uncontrolled” cancer growth?\",\"answer\":\"It contrasts the common definition of cancer as uncontrolled abnormal cell proliferation with evidence from multiple biological approaches showing cancer is mostly a controlled, abnormal process. Regulatory influences coexist with stochastic events during tumorigenic development.\"},{\"question\":\"What evidence fields does the review cite to support its controlled-process view of cancer?\",\"answer\":\"The review points to evidence from genomic, epigenetic, molecular, cellular, immunologic, and physiological approaches. These lines of evidence collectively indicate that tumor growth and spread follow biological rules.\"},{\"question\":\"How should cancer be understood according to the conclusion?\",\"answer\":\"Cancer is not merely an unregulated process. Multiple biological mechanisms interact in a coordinated, sequential manner, producing a complex, assembled disease rather than chance-driven proliferation alone.\"}]","Is cancer the result of uncontrolled cellular growth? - A glance into the tumorigenic process | PDF",1790057657,71]