An interview with Dr Tanujaa Rajasekaran | Senior Consultant and Medical Oncologist at Parkway Cancer Centre, Gleneagles Medical Centre. Understanding Cancer Screening Early cancer screening in Singapore involves a set of evidence-based tests, including mammograms, Pap smears, colonoscopies, and risk-based assessments. These tests are designed to detect cancer before symptoms appear, when treatment options are typically broader. Whether you should consider screening depends o