Large hub airports are those that process at least one percent of revenue passenger boardings annually, whether or not in scheduled service. The table below lists the airports in the United States that have been designated as large hubs. The table is sorted by Airport Code. USA Large Hub Airports with 2004 Passenger Boardings, Sorted by Airport Code. Code.
Skin Cancer Symptoms and Signs. BCC is the most common type of skin cancer and has a predilection for sun-exposed skin. Tumors may appear as a pearly or waxy bumps usually with visible blood vessels (nodular BCC), or as a flat scaly reddish patch (superficial BCC) with a brown border, or as a hard or scar-like lesion (sclerosing BCC).
The Warning Signs of Skin Cancer. Skin cancers -- including melanoma, basal cell carcinoma, and squamous cell carcinoma -- often start as changes to your skin. They can be new growths or precancerous lesions -- changes that are not cancer but could become cancer over time.owen Disease. Bowen disease is also called squamous cell carcinoma in situ.. It is a type of skin cancer that spreads outward on the surface of the skin. By contrast, invasive squamous cell carcinomas can grow inward and spread to the interior of the body.