Figure 2From: Early stage follicular lymphoma: what is the clinical impact of the first-line treatment strategy?Disease progression and survival according to the period of time. A. Overall survival (OS) for two periods of time: <year 2000 and > or equal to 2000. B. Progression free survival (PFS) for to two periods of time, < 2000 and > or equal to 2000.Back to article page