Colon cancer was diagnosed after repeated stomach pain

Mark Seguin was surprise-diagnosed with stage 3 colon cancer at 35 after recurring severe stomach pain; he underwent surgery and several months of chemotherapy and, five years later, is nearing release from oncology care pending a final scan and blood tests.

Mark Seguin was surprise-diagnosed with stage 3 colon cancer at age 35 after several episodes of severe stomach pain that eventually led him to the emergency room and a colonoscopy. He received surgery and about five months of chemotherapy. Over the following years he gradually rebuilt strength and adjusted his diet and exercise routine as part of his recovery. His medical team says that if his next scan and blood work remain clear, they will release him from oncology follow-up. Key facts: - He was diagnosed at 35 with stage 3 colon cancer that had spread to nearby lymph nodes. - Recurrent, sudden abdominal pain prompted an ER visit and a colonoscopy that led to the diagnosis. - Treatment included surgery and high-dose chemotherapy over roughly five months. - Five years after diagnosis he has changed his lifestyle and is nearing completion of oncology surveillance pending clear test results. Summary: Seguin describes a path from unexpected diagnosis through intensive treatment to gradual recovery and lifestyle changes. The immediate next step is a scheduled scan and blood tests; if those are clear, his doctors plan to conclude active oncology follow-up.