Which of the following is called cancer of the blood?

_______________________________________ breathing is asymmetrical chest wall movement that lessens respiratory efficiency

Fill in the blank(s) with correct word

An otherwise healthy 24-year-old man presents with a painful ulcer on his tongue. The lesion is oval and measures approximately 3 mm in diameter. The lesion was not preceded by a blister. This problem has been cyclic (once per month), and the lesions have healed in about 1 week. He most likely has:

a. Minor aphthae b. Major aphthae c. Herpetiform aphthae d. Secondary herpes e. Erythema multiforme