Fear of cancer due to hypochondria.

Hi doctor, I am suffering from hypochondria anxities since 4 eyear and only have fear of cancer. I have developed this fear by reading about different type of cancer and it symtoms in internet. I sue to do blood test every month for checking blood cancer. I do ultrasound to check for stomach cancer. I keep checking my body, neck , armpit for any swelling lymph node. I did MRI of brain twice to check brain cancer. I watch my stool for colon cancer. I started my pyactric treatment since 8 moths for this but I am not finding any help. I am taking peroxitine 37.5 mg daily. Now, i am having bad itching in my armpit and u am scared of some lymph nod le swell there. I did ultrasound of both armpit in 2020 and it was normal. I am dieing due to this fear daily. Not able to concentrate in my normal life. Now, i am seeking suggetion from cancer doctor only. I am just 32. Please suggest ..dnt ignore