Male 32. I'm literally panicking. My symptoms last for years, I think like 7 maybe 8 but I was ignoring them, moving abroad, a lot of work. I was often bloated after eating many things, constant gases, belching and for 1 year also pain in lower left abdomen/groin. There is no pain at night, I don't wake up because of it and pains progresses through the day after I get up from  bed mostly. 8 months ago I realized some blood on wipes but considering I work as a driver, I thought I'm irritated down there and started to use wet disposable wipes and indeed I don't see blood anymore. However, I also experience constipation in a way that I pass more or less often pellet type stools, I was very irregular but I improved that a lot and currently pass stool every day at the same time with help of 2 fibre drinks daily. It's not perfect, stools are not always soft, sometimes quite big but if I'm aware what I eat and drink fibre, it's definitely improvement. But pain in the left lower abdomen/groin occassionaly radiates to lower left back and this pain comes back (sometimes there are a few days of break when I stop thinking about that so much), it's rather mild, but stabbing and I can feel that area of my pelvis is occasionally tender, "burns" a bit. I have scoliosis but I'm not anymore convinced this pain is related in any way with this. I also have swollen lymph nodes in groin for years, both sides since I had mycosis of the skin of this area (it took months after doctor found correct powder to cure it, I was also having antifungal tablets which didn't work), those swollen lymphs node never come back to not palpable size, they are movable and rather soft.

I suffered from anxiety in depression in recent years (family problems, too much ambition, overthinking everything, being to sensitive), it never gone away totally but I used to be happy in general. However, I started to read about my symptoms since lower left abdominal pain appeared and since that time I'm really scared, anxious and convinced it's a bowel cancer and that it could be advanced.

I was always really scared of visiting doctor but I decided 4 months ago I must do something with this otherwise I will go crazy. So I went to GP, he examined my whole abdomen, said everything seems fine and said I have IBS considering my mental state but I asked him to do not sent me home just with this diagnosis. He said okay, let's do complex NHS stool test and this will rule out serious conditions mostly. Test came back negative, no blood in stool etc. Nothing to worry about.

But I was still panicking, whenever was panicking more, symptoms was becoming even worse, mucles pain, a bit of back pain, breathlessness when thinking about it, sometimes dizziness. I thought that I will change surgery to local one and book another appointment plus asked for complex blood test telling that I think I have cancer. Doctor over phone tried to calm me saying that I'm too young, had no cases of bowel cancer in family, I'm stressed so it might confirm IBS, stool test came back negative, haven't lost weight and that cancer most often manifests itself with diarhorea not occasional constipation resolved by eating/drinking more fibre. But she realized I'm anxious and offered to come to clinic after blood test and they will examine me again in my new surgery. GP was really kind, he understood my mental state and offered to check my tummy again and additionaly rectum due to a bit of rectal bleeding. So another GP checked me again, said no masses, "nice and smooth". Also before visiting another GP I bought cassette ferritin blood test which might also indicate some problems and possible anemia but two lines appear, ferritin level well above minimum.

Blood tests including kidney functions etc. things related to possible bowel cancer like some proteins came back spotless, I have perfect results, no signs of anemia, nothing. Urine test also all fine. So again, definitely IBS... Said that I have absolutely nothing to worry about which might manifest itself in many many symptoms and I have a lot of them. Colonoscopy not needed in both GPs opinion considering negative stool test, spotless blood test and urine test. He offered me trying mental help, I will start it in a week or so (like online consultations) but it still doesn't help with my symptoms...

I'm sorry for my basic English skills, this wall of text and chaos, I'm really anxious and depressed at the moment, I would be extremely happy to know what to do now and just be still alive in a few years... Considering so many symptoms for so many years, frequent pain, always having some bowel problems can it be really IBS not cancer? Should I go to another GP? What I should ask for, what tests? 

Thank you very much for understanding.