PTEN and carcinoma: Type I carcinoma like clear cell carcinoma (CCC) and low‐grade serous carcinoma (LGSC) has stable chromosomes with distinct mutated genes such as KRAS, BRAF, PTEN, and CTNNB1, while type II carcinoma like high‐grade serous carcinoma (HGSC), the most common subtype, is characterized by unstable chromosomes, copy number variation (CNV), and TP53 and BRCA mutations.2, 3, 4, 5