<prompt> Most common site of metastasis in choriocarcinomaLiverLungKidneySpleen  <response>: Lung 233 - Shaws 14thCHORIOCARCINOMA - Malignant growths arising in the body of uterus Most common, metastases are seen in the lungs 80, brain and liver Less common sites are GIT, kidney, spleen, genital tract and lymphnodes 10 Cannon ball metastasis in lung is typical of a malignant lesion beta - hCG is very specific marker Purple haemorrhagic projections either into the lower third of the vagina or around the vaginal orifice is characteristic and pathognomic of chorio carcinoma The development of chorio carcinoma following H. mole ranges between 2 - 10 A post molar GTN may be benign or malignant. But a GTN after non-molar pregnancy is always a choriocarcinoma 201 - Dutta 6lh 