A system and method for radiotherapeutic treatment of a patient (20) are provided. The system comprises a patient carrier (11) for receiving the patient (20), means for monitoring (12) positions of at least two different body parts of the patient (20), a processor (14) and feedback means (13). The processor (14) is coupled to the means for monitoring (12) positions and is operative to analyze the monitored positions to determine, for each body part of the at least two body parts, a displacement of the respective body part with respect to a particular desired position. The feedback means (13) are coupled to the processor (14) for interacting with the patient (20) and to provide feedback concerning the displacement of the respective body part.