A Patient Who Was Recently Diagnosed with Amyotrophic Lateral Sclerosis

A patient who was recently diagnosed with amyotrophic lateral sclerosis presents with clonus and weakness in the right dorsiflexors (3/5) and hip flexors (4-/5) .The patient also reports a few choking episodes when eating.Which is the MOST appropriate category for this patient according to the El Escorial Criteria?

A) Clinically probable
B) Clinically definite
C) Clinically possible
D) Clinically probable with laboratory support