Cancer incidence was studied among 2,448 male rubber workers employed for 18 months or more with at least eight years of observation time. A suggested increased risk of bladder cancer, lymphoma, and leukemia was found in the footwear department; the number of observed to expected cases was 4/2.81, 5/2.26, and 4/1.76, respectively. An unexpected increased risk of pancreatic cancer was found for the maintenance-workshop department, the observed to expected numbers being 6/0.90.