Many U.S. teachers think the answer is Liberia and Burma (make that Myanmar). Let's give Liberia and Myanmar a break! All countries have adopted the metric system, including the U.S., and most countries (but not the U.S.) have taken steps to eliminate most uses of traditional measurements. However, in nearly all countries people still use traditional units sometimes, at least in colloquial expressions.
Although breast calcifications are usually noncancerous (benign), certain patterns of calcifications â such as tight clusters with irregular shapes â may indicate breast cancer. On a mammogram, breast calcifications can appear as macrocalcifications or microcalcifications. 1  Macrocalcifications. 2  These show up as large white dots or dashes. 3  They're almost always noncancerous and require no further testing or follow-up.
Tumor is not synonymous with cancer. While cancer is by definition malignant, a tumor can be benign, precancerous, or malignant. The terms mass and nodule are often used synonymously with tumor. Generally speaking, however, the term tumor is used generically, without reference to the physical size of the lesion.hile cancer is by definition malignant, a tumor can be benign, precancerous, or malignant. The terms mass and nodule are often used synonymously with tumor. Generally speaking, however, the term tumor is used generically, without reference to the physical size of the lesion.