Megacolon is an abnormal dilation of the colon (also called the large intestine).[1] The dilation is often accompanied by a paralysis of the peristaltic movements of the bowel. In more extreme cases, the feces consolidate into hard masses inside the colon, called fecalomas (literally, fecal tumor), which can require surgery to be removed.
1 USPS Tracking when purchased online will cost $0.36 in 2015, compared to $0.23 in 2014. 2  Postage for First Class Mail International Letters (1 oz.) and postcards will increase by five cents from $1.15 to $1.20. 3  First Class Package International Service will see an increase of 7.2% in 2015. Each additional ounce will cost $0.22 (up one cent from 2014). 2  Postcard rates will increase by one cent to $0.35 from $0.34. 3  Media Mail will see an increase of 6.2% in 2015. 4  Rates will start at $2.72 (1 lb.), up $0.03 compared to 2014.
How Many Ounces Can a Letter Weigh Before There's a Need to Add Another Stamp? The cost of a first-class stamp is $0.49, according to the United States Postal Service website as of November 2017. One needs a single stamp to mail a letter that weighs one ounce or less. Each additional ounce carries with it a cost of $0.21. This is the cost for mailing when stamps are purchased at the post office. There can be other additional charges as well, depending on the shape and size of the letter. Cost of Postage Through Metered Mail There is a slight discount for metered mail. The cost to mail a one-ounce letter through metered mail is $0.46, with a charge of $0.21 per additional ounce. Metered mail is mail that is sent by businesses, and it includes self-addressed stamped envelopes.