Correct. Granulomatous lesions secondary to FIP can cause biliary obstruction in cats, as can infiltrative diseases of the upper intestinal tract. Also consider that FIP infection would be less likely in a cat of this age. Hemotropic mycoplasmas, particularly Mycoplasma haemofelis (formerly Haemobartonella felis), typically cause marked anemia, which is absent in Misou's case.
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