In July 2007 a child was born with four legs at the Lebowakgomo hospital outside Polokwane (South Africa)
On November 6, 2007, doctors at Bangalores Sparsh Hospital in Bangalore, India successfully completed surgery on a two-year-old girl named Lakshmi Tatma who was born with four arms and four legs; this was not true polymelia but a case of ischiopagus Siamese twinning where one twins head had disappeared during development. Frank Lentini had a third leg, as well as a fourth foot and two sets of genitals. A boy named Gaurav, born in Tanahun district in Nepal with an extra arm growing out of his upper back between his shoulder blades, two years ago was published on 2016. Other animals
A four-legged chicken was born at Brendle Farms in Somerset, Pennsylvania, in 2005. The story was carried on the major TV network news programs and USA Today. The bird was found living normally among the rest of the chickens after 18 months. She was adopted and named Henrietta by the farm owners 13-year-old daughter, Ashley, who refuses to sell the chicken. The second (hind) legs are fully formed but non-functional. Four-legged ducks are occasionally hatched, such as Stumpy, an individual born in February 2007 on a farm in Hampshire, England. Frogs in the US sometimes are affected by polymelia when attacked in the tadpole stage by the Ribeiroia parasite. A puppy, known as Lilly, was born in the United States with a fully formed fifth leg jutting out between her hind legs.
Bilateral may refer to any concept including two sides, in particular:

Bilateria, bilateral animals
Bilateralism, the political and cultural relations between two states
Bilateral, occurring on both sides of an organism (Anatomical terms of location § Medial and lateral)
Bilateral symmetry, symmetry between two sides of an organism
Bilateral filter, an image processing algorithm
Bilateral amplifier, a type of amplifier
Bilateral (album), an album by the band Leprous
Bilateral school, see Partially selective school (England)