Here's the scores from boys basketball playoff games involving metro-east teams Friday night:

Class 3A Waterloo Regional Championship

Cahokia 77, Althoff 63

Class 3A Civic Memorial Regional Championship

East St. Louis 67, Alton Marquette 40

Class 3A Centralia Regional Championship

Centralia 42, Effingham 39

Class 3A Carbondale Regional Championship

Carbondale 38, Mount Vernon 31

Class 4A O'Fallon Regional Championship

O'Fallon 44, Collinsville 42

Class 4A Granite City Regional Championship

Edwardsville 55, Alton 40

Class 1A Okawville Sectional Championship

Madison 51, Gibault 49

Class 2A Greenville Sectional Championship

Teutopolis 58, Central 53, 2OT

Class 2A West Frankfort Sectional Championship

Harrisburg 52, Nashville 26