Top 5 Rarest Cancers

Nevertheless, here are the top 5 rarest cancers you may want to know. Mesothelioma  According to  mesothelioma is considered as a rare type of cancer that primarily affects the pleura or the epithelial tissues that line the outer surface of the lungs. While it is true that more than 80% of all mesothelioma cases are brought about by exposure to asbestos whether directly or indirectly, its unusually long carcinogenesis makes it exceptionally difficult to track the actual number of individuals who may already have this type of cancer.

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