Do cancer patients need to inform their landlords about renting an apartment

Cancer patients do not need to inform the landlord to rent an apartment. According to the query related information, cancer is a personal privacy issues, not contagious, and in the case of the rental contract and no relevant regulations, is not required to inform the landlord. Subletting is required to inform the landlord, the house subletting is required by the landlord to agree, the lessee by the lessor agreed, can be leased to a third party.