<prompt> A young patient came for routine examination. On examination a mid systolic click was found. There is no history of RHD. The histopathological examination is most likely to show -Myxomatous degeneration and prolapse of the mitral valveFibrinous deposition on the tip of papillary muscleRupture of chordae tendinaeAschoff nodule on the mitral valve  <response>: . Myxomatous degeneration and prolapse of the mitral valve 