<s>[INST] lump wrapped around blood vessel next to heart the size of a baseball and spread to lymphnoid on left side. Active. Is this operable & what are survival chances? Suggestions. My uncle is around 65y.o 61 tall,about 180lbs & losing weight. smoke about 40 years. [/INST] Hi, dairy have gone through your question. I can understand your concern. You may have aneurysm or blood vessels tumor or tumor arising from soft tissue.  You should go MRI it will give exact site, size and spread.  Then you should consult cardiovascular surgeon. Take treatment accordingly.  Hope I have answered your question, if you have doubt then I will be happy to answer. Thanks for using Chat Doctor. Wish you a very good health. </s>