Miko is now 11.5 years old. About 3 years ago, I noticed a large lump on his left side (ribs area). It was about 4" in diameter. At the time, my vet (vet A) said it could be fatty tissue which isn't threatening, or could be much more. We can either wait and see, or do surgery and remove it and send it to the lab. So, I went with surgery. I figured he was 8, he was okay to go under. It was removed, nothing cancerous. It was just fatty deposits. Yay. Now, 3 years later, I had found lumps on his chest (at the pointest part). The vet (vet B) said if it's not bothering him, to leave it be. That surgery should be the last resort. He also took a "biopsy". Since he didn't cut any skin, I'm not sure how he got it. I was also told by someone else, they extract some via syringe. Ouch! Anyhow, vet said it was fatty tissue, nothing to worry about. Well, that was somewhat recent. I've always thought Miko was a bit chunky, but yet, his hip bones would stick out. I finally felt around and found that he's got more lumps. The one on the left flank is coming back. It seems like the fatty tissue is completely covering his rib area (no other areas). I'm concerned. I haven't called the vet yet, thought I'd post here. I was told it's common in Shelties. I don't want to put him under, but how do I know if it's causing him discomfort? He's already creeky when he gets up (after lying down for long periods of time). What is old age versus fatty tissue bothering him? Sigh. On the upside, he had two cysts that went away after changing his dog food to TOTW/EVO. Very weird. On the downside, Koji at 2 years has a cyst on his leg that he bites at. My dogs have issues. And i thought I was falling apart. hehehe. Any thoughts on the issue? I'm going to make an appointment, but I don't think it's a rush/emergency of any sort. I'm just concerned about my baby. I'm sure you all know that feeling.