41 y/o without family h/o corticocerebellar degeneration presents with a 3-month h/o ataxia of gait/limbs, dysarthria, and progressive nystagmus. MRI and CSF normal.

1) Antibody panel with the presence of ?
A) Anti-Yo antibodies
B) Anti-AChR antibodies
C) Anti-nuclear antibodies (ANA)
D) Anti-GAD antibodies

2) What type of tumor is likely present?
A) Ovarian teratoma
B) Lung carcinoma
C) Pancreatic adenocarcinoma
D) Meningioma