In this gripping memoir, IPS officer Nidhin Valsan unveils his battle against stage four non-Hodgkin's lymphoma. A testament to the human spirit's tenacity, Valsan delves into the mental and physical toll of a year-long struggle with cancer as a young serviceman. In Cancerman to Ironman, he boldly confronts the taboos surrounding illness, encouraging open discourse about the challenges of treatment and the grueling path through chemotherapy. With unfiltered honesty, Valsan sheds light on the intricacies of the healthcare system, emphasizing the importance of self-advocacy for accurate diagnosis and treatment. As he emerges victorious, culminating in the completion of the formidable Ironman marathon, this book stands as a powerful ode to human resilience in the face of adversity.