Charachteristic pathological finding in carcinoid heart disease is:

• A. Collagen rich, elastic deposits in endocardium of right ventricle and Pulmonary valve
• B. Calcification of Tricuspid and Pulmonary valve
• C. Fibrous endocardial thickening of Right ventricle,Tricuspid valve
• D. Endocardial thickening of Trisuspid valve with severe Tricuspid Stenosis