How to differentiate invasive mole with choriocarcinoma?() A: seen<br/>villous pattern, is choriocarcinoma B: with<br/>lung metastasis , is choriocarcinoma C: followed<br/>by mole, is choriocarcinoma D: followed<br/>by normal labor or abortion, is choriocarcinoma E: none<br/>of them

Gestational choriocarcinoma is a lowly invasive tumor.

Gestational choriocarcinoma is a highly invasive and frequently metastatic tumor.

Choriocarcinoma most commonly metastasizes to () A: Brain B: Lungs C: Vagina D: Ovary E: Kidney

The most common sites of metastatic choriocarcinoma are () A: cervix B: brain C: liver D: lung E: vagina