Any mnemonics for this?

Any mnemonics for this
Ck7: if u invert or change 7- T or L-startin or ending…(breas(T),(L)ung,(T)hyroid)

Ck20: 2nd of 20 is O-colorectal(2nd letter is 0)

If both absent, remaining- renal, prostate, Hepatocellular

Hope tis will be okie

ck7+ ck20-👉tumours in region above diaphragm and in female genital tract ck7+ ck20+👉 below diaphragm ck7- ck20+👉colorectal ck7- ck20-👉HCC,RCC,prostate