Treated for follicular 3B in 2017, now dlbcl

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hello,

my husband had aggressive follicular lymphoma 3b in 2017 which he was treated with rchop. Now, he was just diagnosed with DLBCL which they believe is closely related to the one he had in 2017.
im just looking for similar experiences. We have two very little kids and I am currently pregnant, so we are worried sick right now