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Updated: Oct 26, 2025
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Oligometastatic Lung Cancer Defined by Biology, Science, and Secondary Growths
Farid M Shamji1, Gilles Beauchamp2, Donna E Maziak1
1University of Ottawa, Ottawa Hospital - General Campus, 501 Smyth Road, Ottawa, ON K1H 8L6, Canada.
Abstract:
Breast cancer was the first malignant tumor for which TNM classification was proposed by the International Union Against Cancer. Volume and distribution of tumor burden were considered clinically important in this cancer. Lung cancer is caused by excessive cigarette smoking. Prognosis is worst in small cell lung cancer and in non-small cell lung cancer measuring over 3 cm in size and having regional lymphatic spread. Metastatic spread from lung cancer is favored by lymphatic spread to the locoregional lymph nodes and blood-borne spread to 5 sites-lung, brain, bone, liver, and adrenal-all of which are unfavorable prognostic indicators.
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