USUS·CBS NewsShe knew her baby's infections were unusual. A rare cancer was to blame.Emily Robichau said her family prepared for the worst when her 1-year-old son was diagnosed with a rare, aggressive tumor.Lean LSep 6Read at CBS News→USUS·CBS NewsShe knew her baby's infections were unusual. A rare cancer was to blame.Emily Robichau said her family prepared for the worst when her 1-year-old son was diagnosed with a rare, aggressive tumor.Lean LSep 6Read at CBS News→