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Small cell lung cancer is often treated as a systematic disease due to its tendency for early dissemination, [4] thus, instead of the traditional TNM staging system, the Veterans' Administration Lung Study Group (VALSG) introduced a simplified 2-stage system in the 1950s to divide small cell lung cancer into limited stage and extensive stage. [7]
Small-cell lung carcinoma (SCLC) has long been divided into two clinicopathological stages, termed limited stage (LS) and extensive stage (ES). [8] The stage is generally determined by the presence or absence of metastases, whether or not the tumor appears limited to the thorax, and whether or not the entire tumor burden within the chest can feasibly be encompassed within a single radiotherapy ...
The T cell variations are usually caused by the prolonged use of T cell suppressant drugs, such as sirolimus, tacrolimus, or ciclosporin. [2] The Epstein-Barr virus , which infects >90% of the world population, is also a common cause of these disorders, being responsible for a wide range of non-malignant, pre-malignant, and malignant Epstein ...
The Working Formulation is a classification of non-Hodgkin lymphomas, first proposed in 1982. [1] It has become outdated in light of modern shifts in the understanding and classification of non-Hodgkin lymphomas, leading to the rise of new systems such as the Revised American European Lymphoma classification. [2]
Histological classification systems group lung cancers according to the appearance of the cells and surrounding tissues when they are viewed under a microscope. Clinical classification systems divide lung cancers into groups based on medical criteria, particularly their response to different treatment regimens.
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Stage III: The lymphoma is on both sides of the diaphragm, [2] either in lymph nodes both above and below the diaphragm, or in lymph nodes above the diaphragm and in the spleen. [2] Stage IV: The lymphoma is in one or more organs beyond the lymphatic system, such as the liver, lungs, bone marrow, or cerebrospinal fluid. [2]
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