Does my mom have leukemia?

or any kind of cancer? I'm like a hypochondriac so I'm always worried about these sort of things...but my mom has spots on her head like blot clots, which I first noticed 2-3 months ago. She said it was nothing, so I tried not to think about it. Then a week ago, she complained like her side or hips or joint were hurting, but then it disappeared. Then two days ago, her nose started bleeding out of no where. She has some sort of visual problem (I think they're called floaters), which started four months ago. I saw a random bruise on her leg like 2 weeks ago...and finally she has a fever and she's sweating a lot today...perhaps because it's hot...but I'm worried. She's been looking really weak lately too. My mom works night shifts and she doesn't get much sleep sometimes. I looked up Leukemia symptoms the other day and it pretty much said what I've listed above. I just don't want to label things and I know the right thing to do is go to the doctor about it. But how can I suggest it? What if I'm just overreacting?