system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A person of 60 years age is suffering from myositis ossificans progressive. The usual cause of death would be -
assistant
The correct answer is  Severe restrictive chest wall disease reduces pulmonary volumes and predisposes to right ventricular dysfunction (cor pulmonale).
Cardiopulmonary failure may lead to premature death.