The factors used to determine tumor grade can vary between different types of cancer. Tumor grade is not the same as the stage of a cancer. Cancer stage refers to the size and/or extent (reach) of the original (primary) tumor and whether or not cancer cells have spread in the body. Cancer stage is based on factors such as the location of the primary tumor, tumor size, regional lymph node involvement (the spread of cancer to nearby lymph nodes), and the number of tumors present.
According to an international team of scientists reporting in the Proceedings of the National Academy of Sciences, an asteroid or comet that landed in what is now the Canadian province of Quebec might have led to a significant climate change event known as Younger Dryas.
Dry skin is not just because of the weather. Here are a few factors that make your skin dry. Kriti Saraswat | Updated: April 2, 2015 3:27 pm. Tags: Skincare Dry skin Dry skin causes Harsh soaps Hot showers Eczema Ageing skin Beauty. Dry skin is quite common in the winters but many people have dry skin throughout the year. There are numerous reasons why this may happen. Many a times, you may be making your skin drier by following the wrong skincare routine.