Cancer is a critical health threat in the world. It has an ongoing increasing trend.The aim of this study was to describe the trend, most common types of cancer and the gender ratio of cancer in Iran and its provinces. We searched PubMed, Google Scholar, Scopus, and Science directs from 2000 to 2017 using Keywords including “Cancer”, “Neoplasms”, “Malignancy”, “Tumor”, “Incidence”, “Epidemiolog...

the male breast cancer (mbc) is a very rare neoplasm which accounts for 0.5-1% of the total cases of breast cancer. bilateral involvement is reported to occur in fewer than 2% of all the diagnosed cases of mbc, and synchronous tumors are very rare. because of its rarity, little is known about mbc etiology, its clinical findings and treatment. most patients present with a painless breast mass. t...