Fig. 2
From: Systematic review: brain metastases from colorectal cancer—Incidence and patient characteristics
Incidence of brain metastases in patients with colorectal cancer. Incidence of brain metastases (BM) from colorectal cancer (CRC) in the 19 studies that identified patient with BM from populations including all patients diagnosed with CRC. Error bars indicate 95 % confidence interval. Gray: Studies with radiologically diagnosed brain metastases (17). Red: Autopsy studies (2). Blue: Pooled mean based on studies with radiologically diagnosed brain metastases