MIDLAND  (WKZO) -- Michigan Congressman Dave Camp says he has cancer, but he says it has been caught in an early stage and he plans to remain in Congress and hang on to his committee chairmanship while he undergoes chemotherapy.The Midland Republican describes the cancer as a highly-treatable and curable type of non-Hodgkins Lymphoma, and he expects to make a full recovery. Camp is chair of the House Ways and Means Committee.