Q. My 11 yr old poodle is scheduled for pyometra surgery this am. Never been spade, but she also has crackle sounds in her lungs. Can the two be connecte

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A. It is unlikely unless due to her not being spayed she has developed cancer. Cancers can begin in the ovaries or mammary glands and metastasize to the lungs. This could possibly cause crackling sounds. This is just a theory of the possible connection.

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