Neoplasms, Second Primary
Recent clinical, regulatory, research and industry developments relating to this disease.
NCCN Guidelines® Insights: Prostate Cancer, Version 3.2024.
Organ-Specificity of Breast Cancer Metastasis.
Breast Cancer Metastasis: Mechanisms and Therapeutic Implications.
Lenalidomide after stem-cell transplantation for multiple myeloma.
What's happening now
An analyst briefing on current research, clinical, regulatory and industry activity surrounding this disease.
Research activity
Key research shaping understanding of this disease, combining the latest publications with the most influential evidence.
Major themes8
- Neoplasms, Second Primary7
- Breast Neoplasms2
- Neoplasms2
- Adenocarcinoma1
- Carcinoma, Squamous Cell1
- Esophageal Neoplasms1
- Lung Neoplasms1
- Lymphoma1
Leading journals6
- International journal of molecular sciences2
- Journal of the National Comprehensive Cancer Network : JNCCN2
- Cancer science1
- Clinical cancer research : an official journal of the American Association for Cancer Research1
- Oncoimmunology1
- The New England journal of medicine1
Leading researchers8
- Yoon H2
- Adra N1
- Ajani JA1
- Albieri B1
- An Y1
- Anderson KC1
- Andtbacka RHI1
- Barry S1
Affiliations (unnormalised)6
- 10City of Hope National Cancer Center.1
- 11Memorial Sloan Kettering Cancer Center.1
- 13Mass General Cancer Center.1
- 14Case Comprehensive Cancer Center/University Hospitals Seidman Cancer Center and Cleveland Clinic Taussig Cancer Institute.1
- 15Abramson Cancer Center at The University of Pennsylvania.1
- 16Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine.1
Related conditions
Diseases frequently studied alongside this one. Number shows shared papers.
Disease profile
A grounded synthesis of the condition — overview, causes, mechanism, risk factors and current standard of care.
Second primary neoplasms are abnormal tissue growths that arise after a prior neoplasm but are not metastases of the original tumor. They may be the same or a different histologic type and can occur in the same or a different organ. By definition, they originate from an independent oncogenic event.
They arise from an independent oncogenic event rather than spread of the earlier cancer. The development of a second neoplasm may or may not be related to treatment of the prior neoplasm, and genetic risk or other predisposing factors may also be causal.
The supplied grounding supports the concept that these lesions represent a new oncogenic process rather than metastatic progression. In the broader literature provided, cancer progression can involve aggressive tumor-cell behavior shaped by the tumor microenvironment, epithelial-mesenchymal transition, and epigenetic regulation, but these mechanisms are described for breast cancer metastasis rather than second primary neoplasms specifically.
Genetic risk and predisposing factors are identified as possible contributors. Prior treatment for an earlier neoplasm may also be related in some cases, although this is not required for development.
AI-generated summary grounded in MeSH and 2 peer-reviewed sources. Informational only — not medical advice. Generated 2026-07-07.
Reference
Authoritative identity, definition & identifiers.
Abnormal growths of tissue that follow a previous neoplasm but are not metastases of the latter. The second neoplasm may have the same or different histological type and can occur in the same or different organs as the previous neoplasm but in all cases arises from an independent oncogenic event. The development of the second neoplasm may or may not be related to the treatment for the previous neoplasm since genetic risk or predisposing factors may actually be the cause.
- Disease identity & definition — NLM Medical Subject Headings (MeSH), public domain
- Research activity — Europe PMC (EMBL-EBI) + OpenAlex-derived paper links
- Related entities are derived from literature co-mention (studied together) — associative, not causal.