A mobile cancer screening van parked outside one of Skid Row’s largest homeless shelters on Wednesday, offering routine mammograms to residents and passersby in what organizers said was the first visit in a new partnership.

<p>A mobile cancer screening van parked outside one of Skid Row&rsquo;s largest homeless shelters on Wednesday, offering routine mammograms to residents and passersby in what organizers said was the first visit in a new partnership.</p>