The Straits Times © SPH Media Limited. Reproduced with permissionDr Gloria Chan, Consultant, Department of Haematology-Oncology, National University Cancer Institute, Singapore, said the search for the cause of a rising trend in young-onset cancers worldwide is still ongoing. She explained the "birth-cohort" effect, where patients who are born in 1990 are four times more likely to develop young-onset colorectal cancer than those born in 1950.
Prof Jimmy So, Head and Senior Consultant, Division of General Surgery (Upper Gastrointestinal Surgery), Department of Surgery, National University Hospital; Head and Senior Consultant, Division of Surgical Oncology, National University Cancer Institute, Singapore, said that despite advancements in medical imaging and non-invasive diagnostic techniques, screening methods have their limitations in sensitivity and specificity. Dr Daniel Huang, Consultant, Division of Gastroenterology and Hepatology, Department of Medicine, National University Hospital, said a study published in Jama Network in 2023 suggested that increased screening is unlikely to be the main driver of the rising rates of early-onset cancers.
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