title: From the NIH: Progression of atherosclerosis probable cause if symptoms recur year after bypass surgery.
mesh_terms: D001026:Coronary Artery Bypass / Q000009:adverse effects; D003327:Coronary Disease / Q000150:complications* / Q000601:surgery; D005500:Follow-Up Studies; D006801:Humans; D012008:Recurrence; D013997:Time Factors