Coronary sinus pacing.
D002294:Carcinoma, Squamous Cell / Q000150:complications; D002304:Cardiac Pacing, Artificial / Q000379:methods*; D003331:Coronary Vessels; D006258:Head and Neck Neoplasms / Q000150:complications; D006801:Humans; D008297:Male; D008875:Middle Aged; D013927:Thrombosis / Q000209:etiology