 [ Symptoms ] i am 65 with metastatic colon cancer to the liver i have an hmo but no outside options i am a federal annuitant and am thinking of getting medicare b so i will have more options my hmo is pushing for medicare advantage however given my situation i think that i would be better served by just paying for medicare b hmo has labs chemo scans etc in one building which is important to me what are your thoughts [ Disease ] yes get it checked out medically there is really no way to determine the significance of a lump based solely on a description