TASK DEFINITION: Translate the given Spanish text to English
PROBLEM: A valve body (26) is received within the seat (20) and comprises a curved surface (28) and a planar surface (30) that extends across the curved surface (28).

SOLUTION: Un cuerpo de valvula (26) es recibido dentro del asiento (20) y comprende una superficie curveada (28) y una superficie plana (30) que se extiende a traves de la superficie curveada (28).

PROBLEM: The invention is also related to methods for deriving a candidate agent or for selecting a composition for inhibiting the progression of lung cancer in a patient wherein a phosphorylated Akt protein and/ or a phosphorylated MAPK protein is used.

SOLUTION: La invencion tambien se refiere a metodos para obtener un agente candidato o seleccionar una composicion para inhibir la progresion de las celulas cancerigenas de pulmon en un paciente en el que se utiliza una proteina Akt fosforilada o una proteina MAPK fosforilada.

PROBLEM: Guide cables for sliding roofs in motor vehicles.

SOLUTION:
GUIA-CABLES PARA TECHOS CORREDIZOS DE AUTOMOVILES.