Clinical observation of a combination of diffuse alveolar-septal pulmonary lesion and amyloid cardiomyopathy in systemic AL-amyloidosis in the elderly.

A rare observation of systemic AL-amyloidosis with a debut in old age, accompanied by diffuse alveolar-septal lesion of the lungs and mediastinal lymphadenopathy in combination with amyloid cardiomyopathy in the absence of pathology of kidney and liver function.