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