Letterer-Siwe disease, multiple organ involvement. A lesion that affects bone, lung and skin; while histologically indistinct, it is more aggressive than the other forms. Prognosis. Poor if < 18 months at time of diagnosis; haemorrhagic skin lesions; hepatomegaly, anemia; thrombocytopenia; bone marrow involvement.
Cyclical Factors that Affect Business. Any business goes through different business cycles during the course of its existence. These cyclical stages include the ups and downs that a business experiences in terms of its sales volumes, revenues and product lines.
Businesses are greatly influenced by their environment. All the situational factors which determine day to day circumstances impact firms. So, businesses must constantly analyze the trade environment and the market. There are many strategic analysis tools that a firm can use, but some are more common.