The Emperor of All Maladies: A Biography of Cancer

The Emperor of All Maladies: A Biography of Cancer Read Online Free PDF

Book: The Emperor of All Maladies: A Biography of Cancer Read Online Free PDF
Author: Siddhartha Mukherjee
Tags: General, Social Science, Medical, History, Civilization
Sontag,
Illness as Metaphor
    We tend to think of cancer as a “modern” illness because its metaphors are so modern. It is a disease of overproduction, of fulminant growth—growth unstoppable, growth tipped into the abyss of no control. Modern biology encourages us to imagine the cell as a molecular machine. Cancer is that machine unable to quench its initial command (to grow) and thus transformed into an indestructible, self-propelled automaton.
    The notion of cancer as an affliction that belongs paradigmatically to the twentieth century is reminiscent, as Susan Sontag argued so powerfully in her book
Illness as Metaphor
, of another disease once considered emblematic of another era: tuberculosis in the nineteenth century. Both diseases, as Sontag pointedly noted, were similarly “obscene—in the original meaning of that word: ill-omened, abominable, repugnant to the senses.” Both drain vitality; both stretch out the encounter with death; in both cases,
dying
, even more than death, defines the illness.
    But despite such parallels, tuberculosis belongs to another century. TB(or consumption) was Victorian romanticism brought to its pathological extreme—febrile, unrelenting, breathless, and obsessive. It was a disease of poets: John Keats involuting silently toward death in a small room overlooking the Spanish Steps in Rome, or Byron, an obsessive romantic, who fantasized about dying of the disease to impress his mistresses. “ Death and disease are often beautiful , like . . . the hectic glow of consumption,” Thoreau wrote in 1852. In Thomas Mann’s
The
Magic Mountain
, this “hectic glow” releases a feverish creative force in its victims—a clarifying, edifying, cathartic force that, too, appears to be charged with the essence of its era.
    Cancer, in contrast, is riddled with more contemporary images. The cancer cell is a desperate individualist, “ in every possible sense, a nonconformist ,” as the surgeon-writer Sherwin Nuland wrote. The word
metastasis
, used to describe the migration of cancer from one site to another, is a curious mix of
meta
and
stasis
—“beyond stillness” in Latin—an unmoored, partially unstable state that captures the peculiar instability of modernity. If consumption once killed its victims by pathological evisceration (the tuberculosis bacillus gradually hollows out the lung), then cancer asphyxiates us by filling bodies with too many cells; it is consumption in its alternate meaning—the pathology of excess. Cancer is an expansionist disease; it invades through tissues, sets up colonies in hostile landscapes, seeking “sanctuary” in one organ and then immigrating to another. It lives desperately, inventively, fiercely, territorially, cannily, and defensively—at times, as if teaching
us
how to survive. To confront cancer is to encounter a parallel species, one perhaps more adapted to survival than even we are.
    This image—of cancer as our desperate, malevolent, contemporary doppelgänger—is so haunting because it is at least partly true. A cancer cell is an astonishing perversion of the normal cell. Cancer is a phenomenally successful invader and colonizer in part because it exploits the very features that make
us
successful as a species or as an organism.
    Like the normal cell, the cancer cell relies on growth in the most basic, elemental sense: the division of one cell to form two. In normal tissues, this process is exquisitely regulated, such that growth is stimulated by specific signals and arrested by other signals. In cancer, unbridled growth gives rise to generation upon generation of cells. Biologists use the term
clone
to describe cells that share a common genetic ancestor. Cancer, we now know, is a clonal disease. Nearly every known cancer originates from oneancestral cell that, having acquired the capacity of limitless cell division and survival, gives rise to limitless numbers of descendants—Virchow’s
omnis cellula e cellula e cellula
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