Please capitalize where necessary: weather in altenstadt, de (weather station)
A: Weather in Altenstadt, DE (Weather Station)

Please capitalize where necessary: the onset of mesothelioma is usually quite slow.
A: The onset of Mesothelioma is usually quite slow.

Please capitalize where necessary: i speak: english, norwegian
A: I speak: English, Norwegian

Please capitalize where necessary: characterized by a heterogeneous clinical expression (different symptoms), unpredictable course and a variable prognosis.
A:
Characterized by a heterogeneous clinical expression (different symptoms), unpredictable course and a variable prognosis.