Where a vocational expert relied upon an estimate of job availability without a supporting estimate with any empirical reasoning, remand was required for determination of disability benefits.The 7th U.S. Circuit Court of Appeals reversed a decision by U.S. District Judge William C. Lee, Northern District of Indiana.Kelly Chavez has severe impairments. In 2007, at the age of 21, she was diagnosed with a brain tumor and underwent five surgeries. At around the same time, Chavez began feeling depressed and anxious. Chavez …