No insurance and trying to get answer

Hello, I am new here. I have read through some of the posts in this section. I haven't found the answer I was hoping to find. I live in Missouri, which has no recognized Native tribes, so there is no Indian Health Service here in the state. For about a year now I have lost so much momentum and just gotten to where I feel like I am continually wore out. It has gotten to the point that I had to give up my second part time job. I would come home after working it and have to go right to sleep. Then on April 29th of this year (2014) I woke up with bad vertigo. All in all it lasted a whole month. I also had pins and needles all over my body, sometimes just in arms or legs or trunk and sometimes all over(I am sure it's unrelated to this other medical issue I have though). On May 2nd my shoulder had an ache and I happen to notice I have a swollen spot in my left arm pit. I didn't pay it much attention at first. But every day after I noticed shoulder hurting it continued to hurt and sometimes have the pins/needles in it. I started checking everyday and the swelling has not gone down since. My daughter in law found a clinic in bigger town about 35 miles north of here that would work with me on payments. I went in to see the doctor there. She told me the vertigo/pins and needles was something neurological and she was going to refer me to a neurologist. She did send me to a local lab and had a bunch of blood work done along with a urine sample taken. She also set me up with my local health department to get a yearly woman's exam. I guess I should mention I work only very part time and have no insurance. She went ahead and prescribed me SMZ/TMP 800-160mg. I was on that for 2 weeks. I then was on 500mg of Penicillin for another 2 weeks. During this time not only did the swollen spot in armpit not go down, but I noticed a swelling just below the left collar bone. The pain in shoulder has gotten somewhat worse and I have a weird feeling in left breast. Not so much pain, not sure how to describe it, almost like pressure?? 

The health department did the in clinic exam and went ahead and sent me to the hospital to have a mammogram done July 16th. The report that was sent to me states scattered areas of fibroglandular tissue, and that no evidence to suggest malignancy is seen.  I called back to doctors and she told me my blood work had come back. My calcium was high, Platelet count was high, TSH levels were low, cholesterol was high and had a very minute amount of occult blood in urine. I had a cancer scare back in 2006 with growths on my thyroid, but they ended up being non cancerous. She told me she was refering me to the same ENT to recheck thyroid. She did prescribe me clindamycin 300 mg to be taken 10 days. However, she was hesitant and said something about since I'd just been on 3-4 weeks of antibiotics already I could get cdif. I filled script but when I researched what she was talking about I decided to not take the new antibiotic. She said my mamogram showed no evidence of breast cancer, so I shouldn't be worried.

Has anyone here had the swollen glands in arm pit for months- even though have taken antibiotics? And has anyone noticed swelling just below the collar bone also? From what I've been able to see online, it appears lymph nodes are above collar bone??? 

I have also noted a slight swelling under the left upper arm. I am sorry this took so long to get out I am just at my wits end as how to proceed. There is cancer heavy in boths sides of my family. Both parents died from cancer (mom - thyroid which spread, dad-mesothelioma) my older brother - lung cancer and 2 of my dads sisters died from cancer. I know one had so many different kinds of cancer, her family donated her body to a teaching hospital in Chicago.