A literature review on 1,104,269 cancer patients concluded that the prevalence of multiple primary malignancies is between 0.73 and 11.7%. The lifetime risk of developing another de novo primary after being detected with cancer is high. We report synchronous and metachronous double malignancy cases presenting in Radiotherapy Department in the Gynecology Oncology subspeciality in our hospital. A prospective observational study was carried in our Department of Radiation Oncology over a period of 3 years. A total of 25 patients reported with multiple primary cancers from 2015 to 2018. Out of 25 patients, nine patients were with synchronous presentations and the rest were with metachronous presentations. Each had a different line of management, and they were dealt with individually according to their origin of primary cancer and stage. The incidence of multiple primary cancers is on the rise, and the possibility of the same should be considered in the pretreatment evaluation. Screening procedures and careful monitoring should be done to ensure early detection and appropriate management.
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