I am in the process of diagnosis for bowel cancer

Hi I am a 72 year old (look 60 and feel 20) who already has a number of comorbidities.

1996 Infarct and triple CABG.

2012 Prostate cancer  Gleason 4+3 Localised - no metastasis (radiotherapy and hormones treatment)

2018 Increased PSA hormone again, PSA controlled. Hormone stopped increase in PSA watchful waiting (don't have any confidence in new Consultant.

2023 Primary stabbing headaches now 2026 diagnosed as Paroxysmal hemicrania (under Queens Square)

2024 Postural hypotension - prone (no pun) to collapse on standing

2025 Partial knee replacement followed by ileus. Hospital acquired pneumonia - offered DNR in anticipation of multi organ failure. Didn't happen.

TIA 2023 & 2026 (June) TIA blood pressure 207/105 now 135/77 at biopsy.

2025 Diabetes Type 2. 

2026 Constipation with diahorrea. Fit test score 200. Colonoscopy reveal bowel blockage and 10 biopsies taken. CT scan ordered. Advised by colonoscopy doctor very high chance of bowel cancer. Very frequent abdominal pain.

Still working as Chartered Surveyor. 

How am i going to cope?