Figure 2From: The epidemiology of gastrointestinal stromal tumors in Taiwan, 1998–2008: a nation-wide cancer registry-based study The 5-yr observed overall survival rate of gastrointestinal stromal tumors by primary sites and diagnostic periods (1998–2001, 2002–2004, and 2005–2008), Taiwan, 1998–2008 ( * Others: retroperitoneum and unspecific sites). Back to article page