According to the American Joint Committee on Cancer (AJCC) there are 4 stages of<unk><unk>  based on the clinical features and findings on imaging. Each stage is assigned a letter and a number that designate the tumor size, number of involved lymph node regions, and metastasis.
Mucinous cystadenocarcinoma diagnostic study of choice
Ovarian germ cell tumor diagnostic study of choice
Adenoma other diagnostic studies
Pseudomyxoma peritonei differential diagnosis
Sexcord/ stromal ovarian tumors diagnostic study of choice
Gastrointestinal stromal tumor other imaging findings
Pseudomyxoma peritonei other diagnostic studies
Fibroadenoma other diagnostic studies