Sentence:  Lesions involving the medial part of the premotor cortex, the supplementary motor area (SMA) and the rear portion of the medial part of the precentral gyrus caused a contralateral, severe leg-predominant hemiplegia , distally predominant and a less severe proximal weakness of the arm.
Entities:
entity1: Lesions
entity2: hemiplegia
Relation: Cause-Effect