The first link seems to have no code. But for the others just click on "code". Then you can sort the public notebooks by "most votes", "best score", etc. and have a look at them.

Check out the relevant kaggle competitions and study the most popular notebooks for it:

https://www.kaggle.com/c/tumor-diagnosis
https://www.kaggle.com/c/rsna-miccai-brain-tumor-radiogenomic-classification

Also checkout the other RSNA competitions:

https://www.kaggle.com/competitions/rsna-2022-cervical-spine-fracture-detection
https://www.kaggle.com/competitions/rsna-pneumonia-detection-challenge
https://www.kaggle.com/competitions/rsna-str-pulmonary-embolism-detection
https://www.kaggle.com/competitions/rsna-intracranial-hemorrhage-detection
https://www.kaggle.com/competitions/rsna-miccai-brain-tumor-radiogenomic-classification
https://www.kaggle.com/competitions/rsna-breast-cancer-detection