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KMID : 0362919860040020129
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Journal of the Korean Society for Therapeutic Radiology and Oncology
1986 Volume.4 No. 2 p.129 ~ p.133
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Incidence and significance of Multiple Primary Malignant Neoplasms
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Choi Eun-Kyung
Cho Moon-June
Ha Sung-Whan
Park Charn-Il
Bang Young-Jue
Kim Noe-Kyeong
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Abstract
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To know the three questions about multiple primary cancers: 1) what are the characteristics of persons having multiple primary cancer? 2) Dose presence of a single primary concer after the susceptibility to multiple primary cancers? 3) Dose the location of one multiple pripary cancer influence the site of others?, we analysed 121 cases of multiple primary malignant neoplasms registered in Seoul National University Hospital during 8years from July 1978 to August 1986.
Of 121 cases, double primary malignant neoplasms were 119 cases and triple were 2 cases.
The incidence of multiple primary malignant neoplasms was 0.7%.
The metachronous tumor(> 6 months) was found in 70 cases and the median time between the first and the second was 32 months. The most commonly associated tumors were stomach and primary liver caroinoma. Cervix and Lung cancer, Stomach and Rectal cancer, Stomach and Esophagus cancer were also commonly associated.
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KEYWORD
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multiple primary neoplasms, incidence, significance
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