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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Most common site of metastasis of choriocarcinoma is:
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The correct answer is  FIGO- staging of gestational trophoblastic disease: Stage 1 - disease confined to uterus Stage 2 - disease extending outside the uterus but confined to genital structures (adnexa, vagina, broad ligaments) Stage 3 - disease extending to the lung, with or without known genital tract involvement Stage 4 - disease at other metastatic sites most common site of metastasis of choriocarcinoma is lung and is classified as stage 3