What do systematic reviews say?

Extensive tests vs tests at the physician's discretion

Extensive tests showed no clear difference in cancer‐related mortality2 compared with tests at the physician's discretion (low certainty).

• Effect of testing for cancer on cancer‐ or venous thromboembolism (VTE)‐related mortality and morbidity in people with… 2021 · Cochrane Headline outcomes only
  OR 0.49 [0.15, 1.67]
  2 studies · 396 participants
  Low