Before someone writes everything…
Oral,breast,renal,rectum,stomach/esophagus with GB because of exception are must do
Head and neck , breast,rectum and cervix
Changes from previous editions to newer editions are important in sites like oral cavity and cervix.
Breast, Cervix, Endometrial Ca.
Personally, you cannot memorise everything and there is no guarantee you’ll get them right even after remembering. So chill, but do these 2 hardcore.
Always learn the basics like usually stages 3 and 4 c will be the worst.