Figure 4From: Response of the primary tumor in symptomatic and asymptomatic stage IV colorectal cancer to combined interventional endoscopy and palliative chemotherapy A) Cumulative overall survival (months) of all patients (n = 20). B) Time-to-progression of the primary tumor (n = 20). The patients, which were alive at the end of the study are marked with a cross. Survival curves were generated using the Kaplan-Meier method.Back to article page