Colon Cancer Support Group Download English PDF, 1.37MB, PDFDownload Mandarin PDF, 1.8MB, PDF The Colon Cancer Support Group (CCSG) at Tan Tock Seng Hospital was founded in 2004 with the support of TTSH Department of General Surgery, Colorectal sub-specialty. All colon cancer patients and their caregivers are strongly encouraged to join the support group! [Please download the PDF file if you are unable to view the image below.]