摘要
To the Editor:Most of the multiple primary malignancies are metachronous or involve more than one system,we instead describe a case with synchronous triple cancers involving one organ system.This study was approved by the Institutional Review Board of Severance hospital,Yonsei University(IRB No.4-2019-0889).A 61-year old man who had no chronic illness,underwent abdominal computerized tomography(CT)scan due to vague abdominal complains and was found to have descending colon wall thickening[Figure 1A],colon cancer(cT3N+)was suspected.He is not smoker or alcohol drunker,and has no family history of malignancies.
